baber/WOPTO huggingface dataset:
Patent WO-2022062042-A1 (WO)
Title: Hot electric charge power cycle system taking liquid droplets as carrier
Inventor: JIANG DONGYUE
IPC: H02N3/00
Filed: 2020-10-27
Abstract: A hot electric charge power cycle system taking liquid droplets as a carrier. The system comprises a peristaltic pump (1), the peristaltic pump (1) is connected to a water supply pipe (2-1) by means of a water outlet, the water supply pipe (2-1) is connected to a liquid droplet dropping pipe (4), a heater (3) is mounted above the liquid droplet dropping pipe (4), and a pyroelectric collector (5) is mounted below the liquid droplet dropping pipe (4). According to the hot electric charge power cycle system, a power cycle system based on low-grade hot liquid droplets is constructed, the energy of the low-grade hot liquid droplets usually difficult to recycle in the industry can be recycled via the power cycle, and useful work is generated, so that the energy recycling mode of the low-grade hot liquid droplets is enriched, and beneficial supplement is provided for a power source of a micro electromechanical system. In addition, capillary wave blades used in the hot electric charge power cycle system are light in weight, no rotating components are used in a working process and thus no noise is generated, and durability and silence effect are good.
Patent WO-2022087990-A1 (WO)
Inventor: WANG SHUKUN
IPC: H04L1/18
Filed: 2020-10-29
Abstract: 本申请实施例提供一种多播业务的重传方法及装置、终端设备、网络设备，该方法包括：终端设备生成针对多播业务数据接收的RLC状态报告，将所述RLC状态报告发送给网络设备，所述RLC状态报告用于所述网络设备确定需要重传的RLC PDU；所述终端设备接收所述网络设备按照单播方式重传的RLC PDU。
Patent WO-2021093678-A1 (WO)
Title: Power bank
Inventor: YANG GUANGCHENG
IPC: G07F17/00
Filed: 2020-11-06
Abstract: Disclosed is a power bank. The power bank comprises: a shell (1); a PCB (11) and a rechargeable battery (12) that are both arranged inside the shell (1); and one or more USB cables (2), wherein a first end (21) of a cable body (23) of the USB cable (2) extends into the shell (1) and is connected to the PCB (11), and a second end of the cable body of the USB cable is provided with an electric output terminal (22); the shell (1) is provided with at least one storage groove (3) used for storing the USB cables (2); the storage groove (3) comprises cable body groove segments (31) that are in communication with each other and are used for storing the cable bodies (23) of the USB cables (2), and terminal groove segments (32) used for storing the electric output terminals (22); the position, at which the terminal groove section (32) and the cable body groove section (31) are in communication, is provided with a guide inclined plane (33) that is inclined from the groove bottom to the groove opening; and the electric output terminal (22) can slide out of the terminal groove section (32) from the guide inclined plane (33) under the action of an external force.
Patent WO-2022082889-A1 (WO)
Inventor: LI YAOJIAN
IPC: F23G5/00
Filed: 2020-11-10
Abstract: 一种危险废物燃烧在线耦合等离子体熔融的一体化系统，一体化焚烧熔融装置（1）的烟气出口连接余热回收装置（2）的进口，余热回收装置（2）的出口连接急冷塔（3）的进口，急冷塔（3）的出口连接干式反应器（4）的进口，干式反应器（4）的出口连接催化布袋除尘器（5）的进口，催化布袋除尘器（5）的出口连接湿式脱酸塔（6）的进口，湿式脱酸塔（6）的出口连接引风机（7）的进口，引风机（7）的出口连接烟囱（8）。能够实现危险废物焚烧底渣的高温在线熔融，使回转窑（12）焚烧段底渣直接进入熔融段进行高温处理，大幅提高能源利用效率，同时回转窑（12）烟气与熔融烟气汇集经二次燃烧后进入后处理系统联合净化，有效降低整体运营成本，避免了现有各项技术的不足。
Patent WO-2021093827-A1 (WO)
Title: Power bank rental apparatus
Inventor: LIANG KAI
IPC: H02J7/00
Filed: 2020-11-13
Abstract: The present application relates to a power bank rental apparatus, comprising a host machine and at least one charging cabinet unit. The charging cabinet unit comprises: a battery chamber used to place a power bank, and a charging terminal used to charge the power bank in the battery chamber; a power input terminal and a power output terminal, the power input terminal being used to input a current and the power output terminal being used to output a current; and a circuit board electrically connected between the power input terminal and the charging terminal. The host machine and the charging cabinet unit and/or the charging cabinet unit and another adjacent charging cabinet unit can be vertically stacked in a detachable manner.
Patent WO-2021212819-A1 (WO)
Inventor: HE YONG
IPC: C08K7/14
Filed: 2020-11-19
Abstract: L'invention divulgue un matériau composite de polyamide comprenant les constituants suivants, en parties en poids : 25 à 85 parties d'une résine de polyamide ; 10 à 50 parties de fibres de verre ; 5 à 25 parties de polytétrafluoroéthylène ; et 0,1 à 2 parties d'au moins l'un d'un sel de K/Na/Ca/Mg/Ba/Zn/Li/Al de l'acide montanique. Le montanate peut efficacement inhiber le fluorure d'hydrogène libre dans le polytétrafluoroéthylène, en inhibant ainsi efficacement le silicone libre dans les fibres de verre et en améliorant les propriétés électriques du matériau.
Patent WO-2021223425-A1 (WO)
Inventor: LI HENGNONG
IPC: C07D401/12
Filed: 2020-12-01
Abstract: La présente invention se rapporte à un procédé de raffinage d'un produit brut de dabigatran. Le procédé consiste à raffiner un produit brut de dabigatran au moyen d'acétone/eau, puis à raffiner ce dernier à l'aide d'acétate d'éthyle pour obtenir du dabigatran raffiné. Le procédé présente un rendement élevé de raffinage de produit brut de dabigatran, une pureté de produit élevée et un petit nombre de raffinages, peut réduire la quantité de solvant utilisée et améliorer l'efficacité de travail, et est susceptible d'être industrialisé.
Patent WO-2021115160-A1 (WO)
Inventor: LIN NING
IPC: H04L29/06
Filed: 2020-12-01
Abstract: An access control list (ACL) rule management method and apparatus, a computer device, and a computer readable medium. The method comprises: determining the priority of a rule to be written, the priority of the rule to be written being determined by the priority of the rule type of the rule to be written and the sequence numbers of rules of the rule type in an ACL (S11); and writing the rule to be written into the ACL according to at least the priority of the rule to be written (S12).
Patent WO-2022116202-A1 (WO)
Inventor: REVADIGAR GIRISH SHIVALINGAPPA
IPC: G06F21/44
Filed: 2020-12-04
Abstract: L'invention concerne un procédé et un dispositif d'authentification, et des produits apparentés. Le procédé comprend les étapes suivantes : le premier dispositif d'authentification obtient des informations caractéristiques de premier signal en échantillonnant un premier signal sans fil envoyé par un second dispositif d'authentification ; reçoit des informations caractéristiques de second signal en provenance du second dispositif d'authentification ; et détermine si l'authentification est réussie d'après les informations caractéristiques de premier signal et les informations caractéristiques de second signal, en raison de la propriété de réciprocité du canal sans fil, si les informations caractéristiques de premier signal et les informations caractéristiques de second signal présentent une corrélation élevée, alors l'authentification est réussie.
Patent WO-2021147602-A1 (WO)
Title: Data processing apparatus and artificial intelligence chip
Inventor: SUN HAITAO
IPC: G06N3/063
Filed: 2020-12-23
Abstract: Provided are a data processing apparatus and an artificial intelligence chip. The data processing apparatus comprises a first selection unit with multiple input ends and multiple output ends, a second selection unit with multiple input ends and multiple output ends, and multiple operation units, wherein the multiple input ends of the first selection unit are connected to the multiple output ends of the first selection unit in a configurable manner; at least some of the multiple output ends of the first selection unit are connected to input ends of the multiple operation units; output ends of the multiple operation units are connected to the multiple input ends of the second selection unit; the multiple input ends of the second selection unit are connected to the multiple output ends of the second selection unit in a configurable manner; and at least some of the multiple output ends of the second selection unit are connected to the multiple input ends of the first selection unit, and/or are connected to data output ports of the data processing apparatus, such that the multiple operation units form different operation paths.
Patent WO-2022141034-A1 (WO)
Inventor: LI QIAOYU
IPC: G06N3/08
Filed: 2020-12-29
Abstract: Methods, systems, and devices for wireless communications are described that support signaling of compressed gradient vectors in a machine learning system that utilizes federated learning. The compressed gradient vectors may be used to report stochastic gradients from multiple edge devices (e.g., multiple user equipment (UE) devices) that are combined into a global model at an edge server (e.g., a base station). A base station may configure a UE with one or more parameters for quantizing a local stochastic gradient, and for reporting the quantized local stochastic gradient in a set of compressed gradient vectors. Each vector of the compressed gradient vectors may be associated with a different stage of a multi-stage compression procedure for reporting the local stochastic gradient, and multiple reports from multiple UEs may be aggregated in a federated learning procedure associated with a machine learning algorithm.
Patent WO-2021164556-A1 (WO)
Title: Wireless earphone case and system
Inventor: WANG KUN
IPC: H02J7/00
Filed: 2021-02-04
Abstract: Provided are a wireless earphone case and a system. The wireless earphone case comprises a case body, a charging circuit and an audio conversion circuit. An audio playing device is not capable of or not conducive to wireless communication, has a wired connection interface, and can be in a wired connection with the wireless earphone case. The wireless earphone case is in a wired connection with the audio playing device; when it is detected that a wired connection is established between the wireless earphone case and the audio playing device, the audio conversion circuit requests the establishment of a wireless connection with a wireless earphone; and after a wireless connection is established between the wireless earphone and the wireless earphone case, audio of the audio playing device is sent to the wireless earphone case by means of the wired connection, and is sent to the wireless earphone by means of the wireless connection so as to be played. When the wireless earphone case is in a wired connection with the audio playing device, the wireless earphone case automatically establishes a wireless connection with the wireless earphone, and plays audio in the audio playing device by means of the wireless earphone; and the wireless earphone is capable of seamless switching so as to be in a wireless connection, so as to process audios in a plurality of electronic devices.
Patent WO-2021160079-A1 (WO)
Title: Rice salicylic acid hydroxylases, and encoding genes and use thereof
Inventor: CHEN XUJUN
IPC: A01H5/00
Filed: 2021-02-08
Abstract: Provided are rice salicylic acid hydroxylases, and encoding genes and the use thereof. In the present invention, the functions of four rice salicylic acid hydroxylases and encoding genes thereof are studied, and single knock-out, double-knockout and four-gene-knockout mutants are constructed. Experiment results show that in the knockout mutants of rice salicylic acid hydroxylases, the content of sakuranetin, which participates in disease resistance in plants, is increased and the resistance of knockout transgenic rice to multiple pathogenic microorganisms is improved.
Patent WO-2021232897-A1 (WO)
Inventor: XING WEIJUN
IPC: H04W76/10
Filed: 2021-03-10
Abstract: 一种中继链接建立、配置信息发送方法、装置和可读存储介质，用于在不允许目标应用的数据通过中继装置传输的情况下，避免终端设备基于该中继装置建立中继链接。本申请中中继装置从第一终端设备接收第一消息，当中继装置确定允许目标应用的数据通过中继装置传输，发送第一消息。当中继装置确定不允许目标应用的数据通过中继装置传输，不再发送第一消息。第一消息包括中继服务指示信息，中继服务指示信息用于指示第一终端设备请求建立中继链接。由于不允许目标应用的数据通过中继装置传输的情况下，中继装置不再发送第一消息，因此，第二终端设备无法从中继装置接收到第一消息，进而无法基于该中继装置建立中继链接。
Patent WO-2022188182-A1 (WO)
Inventor: QING XIAOGANG
IPC: G06K9/00
Filed: 2021-03-12
Abstract: 本申请实施例提供一种生物特征信息的检测装置和电子设备，能有效实现多种生物特征信息的检测。适用于具有液晶显示屏的电子设备，液晶显示屏包括背光模组，背光模组包括远离液晶显示屏的反射膜，检测装置包括：至少两种光源，包括第一光源和第二光源，第一光源为外置红外光源，第二光源为红光光源；感光组件，设置在背光模组下方，用于接收第一光源发出的经由液晶显示屏上方的用户的手指反射或透射并穿过反射膜的第一光信号和第二光源发出的经由手指反射或透射并穿过反射膜的第二光信号，还用于将第一光信号转换为第一PPG信号且将第二光信号转换为第二PPG信号；第一光信号用于指纹识别，第一PPG信号和第二PPG信号用于检测用户的血氧。
Patent WO-2021197117-A1 (WO)
Inventor: ZHANG XINGKUI
IPC: F16K5/22
Filed: 2021-03-23
Abstract: Soupape électrique (100) et procédé d'assemblage associé. L'utilisation d'un joint d'étanchéité multicouche comprenant un premier élément d'étanchéité (5), un second élément d'étanchéité (6) et une matière d'étanchéité située entre le premier élément d'étanchéité (5) et le second élément d'étanchéité (6) le long de la direction axiale d'une tige (4) de soupape, permet de limiter les fuites vers l'extérieur d'un fluide le long de la direction axiale de la tige (4) de soupape.
Patent WO-2022007463-A1 (WO)
Inventor: Zhang Houkang
IPC: F23D14/58
Filed: 2021-04-16
Abstract: 一种分气盘（1），包括：分气主体（10），该分气主体（10）包括分气座（12）和与该分气座（12）相连的分气盖（11），该分气主体（10）设有第一气流通道（13）；分气圈（20），该分气圈（20）安装在该第一气流通道（13）处，并与该分气座（12）和/或该分气盖（11）相配合，用于引导该第一气流通道（13）内的气体流动。一种包括该分气盘（1）的燃烧器（2）以及一种包括上述燃烧器（2）的燃气灶具（3）。
Patent WO-2021244179-A1 (WO)
Inventor: YANG LIU
IPC: G02B6/42
Filed: 2021-04-22
Abstract: Disclosed is an optical module, comprising an upper shell which forms a wrapping cavity with a lower shell, a circuit board arranged in the wrapping cavity, and a light guide column arranged between the upper shell and the circuit board, wherein the circuit board is provided with a display lamp for emitting light of different colors; one end of the light guide column is arranged corresponding to the display lamp for transferring the light emitted by the display lamp to the upper shell; the upper shell comprises an upper cover and a light guide column cover plate; and the upper cover is provided with a groove, the light guide column cover plate is connected to the groove in a clamped manner, the light guide column passes through the groove and is inserted into the light guide column cover plate, one side plate of the light guide column cover plate is provided with a light through hole, and the other end of the light guide column is inserted into the light through hole. According to the present disclosure, the light guide column is embedded into the light guide column cover plate of the upper shell, and the light emitted by the display lamp on the circuit board is transferred to the upper shell by the light guide column and is transmitted out of the light through hole, such that a user can clearly see the color of the light transferred by the light guide column, and can then directly obtain a fault message of the optical module according to the color of the light transferred by the light guide column.
Patent WO-2022226682-A1 (WO)
Inventor: LV QING
IPC: H04B1/401
Filed: 2021-04-25
Abstract: 本申请实施例提供了一种开关电路、通信装置和电子设备，该开关电路包括：三通道开关和第三双刀双掷开关，所述三通道开关包括如下任一项：第一双刀双掷开关和第二双刀双掷开关、或三刀三掷开关；所述三通道开关，用于将多路信号传输通道中的第一信号传输通道选择性地耦合至第一天线、第二天线和所述第三双刀双掷开关中的任一个；所述第三双刀双掷开关，用于当经过所述三通道开关耦合至所述第一信号传输通道时，进一步将所述第一信号传输通道选择性地耦合至第三天线和第四天线中的任一个，该开关电路可以避免多个信号传输通道抢占同一个天线，有利于解决多网络接口天线抢占问题，提高每一个网络接口的信号收发质量。
Patent WO-2022226759-A1 (WO)
Title: Téléavertissement d'un équipement utilisateur (ue) distant par l'intermédiaire d'une signalisation rrc
Inventor: CHENG PENG
IPC: H04W68/00
Filed: 2021-04-27
Abstract: Pour faciliter le téléavertissement d'un UE distant, des procédés, des appareils et des produits programmes d'ordinateur sont divulgués. Un procédé donné à titre d'exemple d'UE consiste à recevoir en provenance d'un second UE, par l'intermédiaire d'une interface de liaison latérale, des informations de téléavertissement. Le procédé donné à titre d'exemple consiste en outre à transmettre, à une station de base, les informations de téléavertissement. Le procédé donné à titre d'exemple consiste en outre à recevoir, en provenance de la station de base, un message RRC comprenant un enregistrement de téléavertissement d'au moins un UE comprenant le second UE. Le procédé donné à titre d'exemple consiste en outre à transmettre l'enregistrement de téléavertissement au ou aux UE comprenant le second UE par l'intermédiaire de l'interface de liaison latérale.
Patent WO-2021233103-A1 (WO)
Inventor: ZHAO YIWEI
IPC: G06F9/448
Filed: 2021-04-28
Abstract: Des modes de réalisation de l'invention concernent un procédé d'accès de communication inter-processus (IPC) croisée, qui est mis en œuvre par un premier dispositif pourvu d'une application sur la base d'un premier protocole IPC et comprend : la réception d'une demande de service initiée par l'application, la demande de service étant utilisée pour invoquer un service à distance fourni par un deuxième dispositif sur la base d'un deuxième protocole IPC ; la transmission de la demande de service au deuxième dispositif par le biais d'une connexion établie sur la base d'un troisième protocole IPC ; et la fourniture à l'application d'une réponse de service sur la base d'une rétroaction provenant du deuxième dispositif, au moins deux protocoles parmi les premier, deuxième et troisième protocoles étant différents.
Patent WO-2022227109-A1 (WO)
Title: Transistor à couches minces et son procédé de préparation
Inventor: CHEN YUANPENG
IPC: H01L29/786
Filed: 2021-05-10
Abstract: La présente demande concerne un transistor à couches minces et son procédé de préparation. Un substrat, une couche active, une première couche isolante et une grille sont empilés successivement, une seconde couche isolante est disposée sur le substrat, et la seconde couche isolante recouvre la couche active, la première couche isolante et la grille ; une source et un drain sont disposés de manière espacée sur le côté de la seconde couche isolante opposé à la grille, et les projections de la source et du drain sur la couche active ne chevauchent pas une projection de la grille sur la couche active. La capacité parasite d'une grille et d'une source et d'une grille et d'un drain est réduite.
Patent WO-2021228092-A1 (WO)
Inventor: HUANG KUAN-YING
IPC: A61K39/42
Filed: 2021-05-11
Abstract: L'invention concerne de nouveaux anticorps monoclonaux ou des fragments de liaison à l'antigène de ceux-ci, qui se lient au coronavirus 2 du syndrome respiratoire aigu sévère (SRAS-CoV-2) ou à l'enzyme 2 de conversion de l'angiotensine (ACE2). L'invention concerne également une composition pharmaceutique et un kit pour détecter la présence de SARS-CoV-2 dans un échantillon comprenant le nouvel anticorps monoclonal ou les fragments de liaison à l'antigène de celui-ci. L'invention concerne en outre des méthodes de détection ou de prévention et/ou de traitement du SARS-CoV-2 ou d'une maladie à médiation par ACE2.
Patent WO-2022236772-A1 (WO)
Title: Authentification conjointe pour réseau privé
Inventor: NIE XIN
IPC: H04W12/08
Filed: 2021-05-13
Abstract: La présente divulgation concerne des nœuds de réseau et des procédés au niveau des nœuds de réseau pour authentifier conjointement un équipement utilisateur (UE). Un procédé au niveau d'un premier nœud de réseau dans un premier réseau pour authentifier conjointement un UE dans le premier réseau et un second réseau consiste à : recevoir, en provenance d'un second nœud de réseau dans le second réseau, une première requête d'authentification pour l'UE ; déterminer si l'UE a été authentifié avec succès ou non au moins en partie sur la base d'une ou plusieurs configurations d'authentification pour le premier réseau ; et transmettre, au second nœud de réseau, une première réponse d'authentification indiquant si l'UE a été authentifié avec succès ou non sur la base d'un résultat de la détermination.
Patent WO-2021258968-A1 (WO)
Inventor: GAO XUANXUAN
IPC: G06F9/445
Filed: 2021-05-26
Abstract: An applet classification method, apparatus and device, and a computer readable storage medium. The method comprises: obtaining an applet code of an applet to be classified (S101); running the applet code to obtain a dynamic feature of said applet in the running process (S102); inputting the dynamic feature into a trained classifier model to obtain classification information of said applet (S103); and storing the classification information of said applet (S104).
Patent WO-2022007586-A1 (WO)
Title: Data processing method and apparatus, and related device
Inventor: WANG YONGZHONG
IPC: G06K9/62
Filed: 2021-06-10
Abstract: A data processing method. The method comprises: an intelligent processing apparatus obtains first data and second data, adds, between the first data and the second data according to a preset rule, third data for isolating the first data and the second data, so as to obtain fourth data, and then completes processing on the fourth data by using a convolutional neural network. The first data and the second data are data to be spliced together; during splicing, a sequence of the first data is prior to a sequence of the second data, and the first data and the second data both are any one of image data, voice data, or a text sequence. By splicing two groups of data into a piece of data comprising more elements and having greater data volume, the spliced data is inputted into a convolutional neural network model for processing, so that the efficiency of using the convolutional neural network to process the data by the intelligent processing apparatus can be improved, and the bandwidth of the intelligent processing apparatus can be fully utilized.
Patent WO-2022252283-A1 (WO)
Inventor: ZHAO WANYU
IPC: E02B8/00
Filed: 2021-06-14
Abstract: 本发明公开钢索网石笼结构体堰塞坝溃决排险防洪系统、应用。钢索网石笼结构体堰塞坝溃决排险防洪系统是用钢索网石笼结构体在堰塞坝溃决前/中调节下游洪峰流量，结构体是分节式条状结构，由筒状钢索网内填装块石，两端束口，捆扎分节成形；在溃决前/中将结构体顺河道/沟道方向放置在泄流槽两侧坝顶面。系统是人工干预调节洪峰流量的"延迟干预"构思，能够有效调节溃决中后期洪水量，提升整个溃决排险方案效率。本发明还提供钢索网石笼结构体堰塞坝溃决排险防洪系统的应用，以及结构体主要参数的设计方法。结构体是铁兜块石填充构成，即使后期不回收，对环境影响程度也极低，优于现有钢筋混凝土产品。
Patent WO-2021259140-A1 (WO)
Inventor: HAN ZHE
IPC: G06Q20/12
Filed: 2021-06-17
Abstract: A blockchain-based original work transaction method and apparatus, and an electronic device. The foregoing are applied to a node device in a blockchain, wherein the blockchain deploys work smart contracts used for performing transaction management on original works; and different original works correspond to different work smart contracts respectively. The method comprises: receiving a purchase transaction for an original work initiated by a purchasing user; in response to the purchase transaction, invoking original work verification logic declared in a work smart contract published on a blockchain, and verifying whether the original work corresponding to the identification of the original work is an original work managed by the work smart contract; and if so, further invoking transaction logic declared in the work smart contract, completing transaction transferring to an author account of the original work on the basis of an account of the purchasing user, and once the transaction transferring is complete, registering account information of the purchasing user in an original work authorization list associated with the work smart contract.
Patent WO-2022062593-A1 (WO)
Inventor: KONG BOLIN
IPC: G06F16/27
Filed: 2021-07-15
Abstract: Provided in the present application is a method for assessing a database, an apparatus, a computing device, and a computer program product. In the present method, one or more candidate databases are displayed on a user interface, the candidate databases being databases determined via incorporating a feature of a source database instance; and a workload required to deploy a data structure migrated from the source database instance for each among one or more of the candidate databases are displayed on the user interface. Consequently, workloads are presented on the user interface, which facilitates a user in taking the workloads into consideration, and a target database is determined from the candidate databases via incorporating the workloads. The target database is used for deploying a data structure migrated from the source database instance.
Patent WO-2022083206-A1 (WO)
Title: 一种文件加密传输方法及装置
Inventor: LIU YANG
IPC: H04L29/08
Filed: 2021-07-29
Abstract: 一种文件加密传输方法及装置，其中，方法包括：获取待传输文件集合；针对待传输文件集合内的每个文件的文件信息，使用第一预设算法生成秘钥串；使用秘钥串对待传输文件集合进行压缩加密获得加密文件；使用预制的加密机对秘钥串进行加密生成密码串；通过网络将加密文件和密码串以及信息文件传输至目的端；目的端基于密码串和加密文件实行解密步骤，获取解密文件，基于文件信息对解密文件进行完整性校验。本发明的文件加密传输方法，大大提高了自主加密算法的可控性、机密机资源的利用率、文件网络传输的安全性，以及文件传输的效率，充分利用了硬件资源，节约了时间成本。