baber/WOPTO huggingface dataset:
Patent WO-2022116517-A1 (WO)
Title: Method for filtering out and removing veiling point in radar point cloud, and processor and laser radar system
Inventor: WANG WENXIANG
IPC: G01S17/02
Filed: 2021-06-24
Abstract: Disclosed are a method for filtering out and removing a veiling point in a radar point cloud, and a processor and a laser radar system. The method comprises: for a point to be recognized in a point cloud, acquiring, from point cloud information, ranging information of said point and one or more auxiliary points at a first side and second side of said point (S1), wherein the timing span between the auxiliary point, which is farthest away from said point, at the first side or the second side and the said point is related to the angular resolution of a radar; determining, on the basis of the ranging information of said point and the one or more auxiliary points at the first side and second side, whether said point is a veiling point (S2); and when said point is a veiling point, filtering out and removing said point (S3). In the method, by means of making full use of the ranging characteristics of a laser radar, whether points are veiling points is determined according to ranging information of the points, such that a veiling point in a radar point cloud can be effectively filtered out and removed. Moreover, the logic for determination is direct, the complexity of computation is low, and the efficiency is relatively high.
Patent WO-2022012389-A1 (WO)
Title: Water replenishment system for indoor garden center and operating method therefor
Inventor: HUNTER MATTHEW
IPC: A01G7/04
Filed: 2021-07-07
Abstract: An indoor garden electric appliance (100) and an operating method therefor. The garden electric appliance (100) comprises an inner container (120) which defines a growth chamber (122) and a growth module (200) which is rotatably installed in the growth chamber (122) and defines a root chamber (244). A water replenishment system (270) is in fluid communication with the root chamber (244) and used for selectively carrying out a water replenishment cycle. The root chamber (244) is filled with mist, and an air circulation system (300) selectively drives an airflow (302) to pass through the root chamber (244) to maintain a desired temperature. A controller (174) is configured to stop the airflow (302) during the water replenishment cycle based on the start/end time of the water replenishment cycle or on the moisture level measured by an optical sensor (344).
Patent WO-2022095498-A1 (WO)
Inventor: ZHAO ZHIGANG
IPC: H02H7/26
Filed: 2021-07-12
Abstract: La présente invention concerne un procédé de commande d'un circuit de commande de limitation de courant, et un système électrique. Le circuit de commande de limitation de courant comprend un côté haute-tension connecté à un bus à courant continu, un côté basse-tension connecté à une charge, et une unité de réglage connectée au côté haute-tension et au côté basse-tension, l'unité de réglage comprenant au moins un transistor MOS ; le procédé de commande consiste à : mesurer un courant I 0  du circuit de commande de limitation de courant, déterminer si le courant I 0  est supérieur à un courant prédéfini I, et si tel est le cas, entrer dans un mode de commande de limitation de courant afin de limiter une augmentation continue du courant. Par rapport à l'état de la technique associé, dans la présente invention, une limitation de courant est effectuée lorsqu'une anomalie ou un court-circuit se produit dans un dispositif, de telle sorte que le dispositif et le système peuvent être protégés dans le temps, et une expansion de défaut électrique est évitée.
Patent WO-2022012642-A1 (WO)
Title: System and method for 3d object detection and tracking with monocular surveillance cameras
Inventor: NING GUANGHAN
IPC: G06T7/246
Filed: 2021-07-15
Abstract: A system and a method for cooperative maneuvering and cooperative risk warning of vehicles. The system includes monocular surveillance cameras, local computing devices, and a master server. Each local computing device receives video frames from the camera, detects and tracks vehicles from the video frames, and converts the video frames to bird-view. Each detected vehicle is represented by a detection vector having first dimensions representing two dimensional (2D) parameters of the vehicle and second dimensions representing three dimensional (3D) parameters of the vehicle. Tracking of the vehicles is performed by minimizing loss calculated based on the first dimensions and the second dimensions of the detection vectors. The master server receives bird-views from different computing devices and combines the bird-views into a global bird-view, and performs cooperative maneuvering and cooperative risk warning of the vehicles using the global bird-view.
Patent WO-2022017367-A1 (WO)
Title: Laser projection device
Inventor: CHEN YOUCAI
IPC: G03B21/58
Filed: 2021-07-20
Abstract: Disclosed is a laser projection device, comprising an optical engine (1) configured to emit a light beam, and a projection screen (2) comprising a lifting mechanism (23) and a curtain (24). The lifting mechanism (23) comprises a driving mechanism (231) and a plurality of lifting frames (232), wherein the driving mechanism (231) can drive the plurality of lifting frames (232) to ascend and descend, and the lifting frames (232) can support the curtain (24) to be unfolded.
Patent WO-2022022542-A1 (WO)
Title: 双环类衍生物调节剂、其制备方法和应用
Inventor: LIU SHIQIANG
IPC: C07D215/02
Filed: 2021-07-28
Abstract: 一种通式(I)所示的双环类化合物或其立体异构体、其制备方法及含有该化合物的药物组合物，及其在制备治疗心血管疾病、消化系统疾病、中枢神经系统疾病和/或精神疾病药物中的用途。
Patent WO-2022022544-A1 (WO)
Inventor: ZENG ANRONG
IPC: C08L23/08
Filed: 2021-07-28
Abstract: Disclosed is an antibacterial plastic, comprising the following components by weight: 70-95 parts of a plastic matrix, 0.05-0.5 part of a coupling agent, 0-5 parts of a compatilizer, 30-210 parts of a quaternary ammonium salt chitosan aqueous solution, 30-210 parts of liquid paraffin, 3-21 parts of an emulsifier, 60-420 parts of a polyvinyl alcohol aqueous solution and 50-330 parts of a tetraethyl orthosilicate solution. The preparation method for the antibacterial plastic comprises: adding the quaternary ammonium salt chitosan aqueous solution into the liquid paraffin to form an emulsion, and transferring the emulsion into the polyvinyl alcohol aqueous solution; adding the tetraethyl orthosilicate solution, performing uniform mixing and then dropwise adding an alkaline solution, so that silicon dioxide is precipitated out to form gel and be deposited onto and adhere to quaternary ammonium salt chitosan, and performing crushing, washing and drying to obtain a composite antibacterial agent; and performing coupling modification on the composite antibacterial agent and a coupling agent in a high-speed mixer, and then performing melt blending with the plastic matrix and the compatilizer to prepare the antibacterial modified plastic.
Patent WO-2022110864-A1 (WO)
Inventor: LI INGYANG
IPC: A01H1/06
Filed: 2021-07-30
Abstract: 本申请提供一种诱导增加粉蕉突变范围的化学诱变方法，包括以下步骤：增殖培养基的配制、香蕉的诱变处理、洗涤处理、增殖培养，本申请使用的氯化锂溶液处理抑制幼苗生长，长势存在明显差异，在形态上出现了具有特殊性状的单株；通过诱变剂处理，提高了突变频率，扩大了变异范围，利用化学诱变剂处理可使突变频率最高提高到8.89％，比自然突变频率高1000倍以上；突变类型集中表现为叶色突变、叶型突变及株型突变，其中有6.47％的植株在叶片上表现为亮绿叶，7.11％表现为黄条纹，1.96％表现为叶缘卷曲，4.50％表现为短叶，从而可知人工诱变的范围广，变异类型丰富。
Patent WO-2022068368-A1 (WO)
Inventor: JIN XUEFENG
IPC: D06F58/26
Filed: 2021-07-30
Abstract: A laundry treatment device (1), which has a laundry drying function, comprises a housing (20) and a drum (21) provided in the housing (20), the drum (21) being used for providing a storage space for laundry, and further comprises: a primary drying system (40) configured to enable a drying airflow to enter the drum (21) from one end of the drum (21), and a secondary drying system (50) provided on an outer side of the other end of the drum (21) and configured to suction the airflow from the other end of the drum (21), heat the airflow, and enable the heated airflow to enter the drum (21) from the other end of the drum (21).
Patent WO-2022028404-A1 (WO)
Title: Data transmission method, terminal device, and network device
Inventor: LI GEN
IPC: H04B7/0408
Filed: 2021-08-03
Abstract: The present application discloses a data transmission method, a terminal device, and a network device, belonging to the field of communications. Said method comprises: performing signal transmission at the location of a target symbol by means of a target transmission manner, wherein the target transmission manner includes at least one of the following transmission manners: not performing target uplink transmission at the location of the target symbol; not performing target downlink transmission at the the location of the target symbol; not performing, at the location of the target symbol, target uplink transmission different from a transmission configuration indication (TCI) state of the target reference signal; not performing, at the location of the target symbol, target downlink transmission different from a TCI state of the target reference signal, and the target symbol is a symbol of the target reference signal for beam switching.
Patent WO-2022028483-A1 (WO)
Inventor: ZHANG JIABO
IPC: B25J15/00
Filed: 2021-08-04
Abstract: 一种可移动超快激光加工机器人装备，包括：定位导航子系统(5)，用于进行导航定位，输出实时定位信息；集成控制子系统(3)，用于根据实时定位信息，控制全向智能移动平台(1)运动；通过对工业机械臂(2)和超快激光末端执行子系统(4)的控制，完成对工业机械臂与待加工工件的对准以及对待加工工件的加工；全向智能移动平台，用于在集成控制子系统的控制下进行运动；工业机械臂，用于在集成控制子系统控制下运动至加工工位；超快激光末端执行子系统，用于对加工位姿信息进行实时监测并反馈。可移动超快激光加工机器人能够实现装备大范围灵活姿态调整、定位和局部高效高质量加工，完成卫星结构板、承力筒、大型天线展开臂等大型复材结构件的制造。还涉及一种可移动超快激光加工机器人的加工方法。
Patent WO-2022068382-A1 (WO)
Inventor: GAO HONGCHENG
IPC: H01L27/32
Filed: 2021-08-04
Abstract: A display panel (10), comprising a light-emitting device layer (11) and a color film layer (12) arranged on a light-emitting side of the light-emitting device layer (11), wherein the light-emitting device layer (11) comprises a plurality of light-emitting units (112); each light-emitting unit (112) comprises one first sub-pixel (1122), one second sub-pixel (1124) and two third sub-pixels (1126); the color film layer (12) comprises a black matrix (122) and a plurality of color film units (124) corresponding to the plurality of light-emitting units (112); each color film unit (124) comprises a first color film (1242) corresponding to the one first sub-pixel (1122), a second color film (1244) corresponding to the one second sub-pixel (1124) and a third color film (1246) corresponding to the two third sub-pixels (1126); the black matrix (122) is located between any two of the first color film (1242), the second color film (1244) and the third color film (1246); and the first color film (1242), the second color film (1244) and the third color film (1246) are the same in terms of shape and size. In addition, further disclosed is a display apparatus (100).
Patent WO-2022042540-A1 (WO)
Title: Cyclone separator, cyclone separation device, and gas treatment system
Inventor: JIANG SHIZHONG
IPC: B01D45/16
Filed: 2021-08-24
Abstract: Disclosed are a cyclone separator, a cyclone separation device, and a gas treatment system. In particular, the cyclone separator comprises an outer housing and an inner housing. An outer cavity is formed inside the outer housing; a first gas inlet is provided in a side wall of the outer housing; a water removal opening is provided in the bottom of the outer housing; an inner cavity is formed inside the inner housing; a second gas inlet is provided in a side wall of the inner housing; and a gas outlet is provided in the top of the inner housing. The inner housing is arranged in the outer cavity of the outer housing, a gas flow channel is formed between the outer wall of the inner housing and the inner wall of the outer housing, and substances to be separated enter the outer cavity from the first gas inlet, move a certain distance along the gas flow channel so as to be subjected to primary cyclone separation, and then enter the inner cavity through the second gas inlet so as to be subjected to secondary cyclone separation. By means of the structural design, an internal fluid circuit is planned out, a good rotary motion path is controlled, the centrifugal force is improved, and the separation efficiency is improved.
Patent WO-2023028815-A1 (WO)
Title: Wound electrode assembly, battery cell, battery and electrical device
Inventor: Wen Yaoling
IPC: H01M50/538
Filed: 2021-08-31
Abstract: The present application provides a wound electrode assembly, a battery cell, a battery, an electrical device, a fabrication method for a wound electrode assembly, and a device, which relate to the technical field of batteries. The wound electrode assembly comprises an electrode sheet. The electrode sheet comprises a winding ending section, the winding ending section being provided with multiple first tabs, the multiple first tabs being stacked; in two adjacent first tabs, the width of a first tab close to the winding center of the wound electrode assembly is greater than the width of a first tab far from the winding center. In the two adjacent first tabs, the width of the first tab close to the winding center is greater than the width of the first tab far from the winding center, that is, the width of the multiple first tabs gradually decreases from the inside to the outside. After winding of the winding ending section is complete, the dislocation of the two adjacent first tabs is reduced, so that the total dislocation expressed by the multiple first tabs is small, thereby reducing the risk of a short-circuit caused by large dislocation of the multiple first tabs along the width direction of the first tabs.
Patent WO-2023029012-A1 (WO)
Title: Procédé et appareil d'amélioration d'up
Inventor: XU FANGLI
IPC: H04W72/12
Filed: 2021-09-03
Abstract: L'invention concerne un procédé pour un équipement utilisateur (UE), consistant à : acquérir des informations de configuration comprenant des premières informations de configuration pour déterminer une configuration autorisation configurée (CG)/planification semi-persistante (SPS), les premières informations de configuration étant incluses dans un message de commande de ressources radio (RRC); et effectuer une émission/réception de données par l'intermédiaire de la configuration CG/SPS déterminée par les informations de configuration.
Patent WO-2022052901-A1 (WO)
IPC: G06F16/27
Filed: 2021-09-07
Abstract: 一种数据存储及对账方法和系统，所述方法包含：根据第一预设时间N于源端数据库中采集交易数据，根据采集所述交易数据的采集时间构建存储目录（S101）；通过所述存储目录将所述交易数据的数据明细存入预定分布式存储系统（S102）；根据所述存储目录生成RowKey，通过所述RowKey将目标数据的交易笔数和交易金额存储至预定开源数据库（S103）；根据预定开源数据库和分布式存储系统对预设时间M内多个预设时间N采集的交易数据进行对账处理，获得对账结果（S104）。
Patent WO-2023039879-A1 (WO)
Title: Rach enhancement for ue without gnss in ntn iot
Inventor: YAN ZHI
IPC: H04W4/02
Filed: 2021-09-18
Abstract: Methods and apparatuses for RACH procedure for UE without GNSS are disclosed. A method comprises receiving one or more reference position candidates, wherein each reference position candidate includes a position coordinate.
Patent WO-2022198982-A1 (WO)
Title: Conversational point-of-interest recommendation method and apparatus, and electronic device and storage medium
Inventor: ZHAO PENGPENG
IPC: G06F16/332
Filed: 2021-09-30
Abstract: A conversational point-of-interest recommendation method, comprising: generating a training point-of-interest sequence, a time training sequence and a location training sequence by using a historical access sequence of a user access point of interest, wherein the historical access sequence includes an access time of the user access point of interest and geographical location information of a point of interest (S101); inputting all points of interest, the training point-of-interest sequence, the time training sequence and the location training sequence into a spatio-temporal point-of-interest recommendation network for training, so as to generate a point-of-interest recommendation sequence and an access prediction value (S102); when a conversation recommendation request sent by a user has been received, determining a receiving time and a preset time period corresponding to the receiving time in one day, and generating a conversation state by using the preset time period, the point-of-interest recommendation sequence and the access prediction value (S103); and inputting the conversation state into a spatio-temporal policy network for reinforcement learning, and performing conversation recommendation for the user (S104). By means of the method, the recommendation accuracy of a point of interest can be improved by synthesizing spatio-temporal factors of the point of interest.
Patent WO-2022105548-A1 (WO)
Title: 检测与处理深层天然气中有毒气体的一体化工艺及系统
Inventor: ZHU GUANGYOU
IPC: G01N1/34
Filed: 2021-10-26
Abstract: 一种检测与处理深层天然气中有毒气体的一体化工艺及系统，所述工艺包括对深层天然气进行降温降压后干燥；对干燥后的深层天然气依次进行氡、硫化氢及汞检测；若检测后发现深层天然气中汞、氡及硫化氢浓度达标，则将深层天然气送至输气管道；若检测后发现深层天然气中氡、硫化氢及汞浓度不达标，对深层天然气中的氡和部分汞、硫化氢及剩余部分汞依次进行无害化处理；再对无害化处理后的深层天然气依次进行汞、氡及硫化氢检测，若深层天然气中汞、氡及硫化氢浓度达标，则将无害化处理后的深层天然气送至输气管道；若深层天然气中汞、氡及硫化氢浓度不达标，则继续对其中的氡和部分汞、硫化氢及剩余部分汞依次进行无害化处理直至达标。
Patent WO-2022100724-A1 (WO)
Inventor: TANG XIAO
IPC: H04N21/2187
Filed: 2021-11-15
Abstract: 本公开关于一种视频回放方法、装置、电子设备及存储介质。该视频回放方法包括：在流媒体文件的展示过程中，检测到所述流媒体文件存在精彩片段的情况下，在所述流媒体文件的展示界面显示提示信息，所述提示信息用于提示存在所述精彩片段；响应于对所述提示信息的触发操作，获取所述精彩片段；在所述流媒体文件的展示界面回放所述精彩片段。
Patent WO-2022111462-A1 (WO)
Inventor: WU ZHENZHI
IPC: G06F15/78
Filed: 2021-11-23
Abstract: Provided in the present disclosure are a data transmission method, a core, a computer-readable medium, and an electronic device. A manycore system comprises multiple core clusters configured in advance. Each core cluster comprises multiple cores. The method is applicable in a first core. The first core is a core in any core cluster. The method comprises: in response to a first request signaling transmitted by a second core, acquiring data pointed to by the first request signaling, the second core and the first core belonging to different core clusters; and transmitting the data pointed to by the first request signaling to the second core.
Patent WO-2022237133-A1 (WO)
Inventor: WANG JIANHUAN
IPC: H02K3/52
Filed: 2021-11-29
Abstract: 本发明公开了一种包含电机集中绕组的定子、转子及其绕线方法，属于电机定子、转子技术领域，包括齿头拼块(1)和轭部拼块(2)，齿头拼块(1)位于同一圆周线上，两两相邻的齿头拼块(1)之间由轭部拼块(2)连接，齿头拼块(1)两侧设置有齿槽槽面(6)，轭部拼块(2)上设置有引线槽(5)，本发明可以有效避免绕制线圈时把绝缘层损坏，提高产品质量，并且绕制线圈紧密，可以提高槽满率；本发明的绕线方法，可以使相邻的线圈绕组表面相互交叉，可以充分利用齿槽内的空间，进一步能够提高定子、转子的槽满率，提高产品的质量。
Patent WO-2023005085-A1 (WO)
Inventor: YIN WENFENG
IPC: G06N3/08
Filed: 2021-11-30
Abstract: Procédé et appareil d'élagage d'un réseau neuronal, et dispositif et support d'enregistrement. Au moyen du procédé, lorsqu'un réseau neuronal est élagué, une couche de réseau à élaguer peut être prise comme couche de réseau cible destinée à un élagage de canal et à une reconstruction de noyau de convolution. Par conséquent, au moyen du procédé, lorsqu'une structure à branches multiples est comprimée, la compression n'est pas uniquement limitée à une couche intermédiaire, des couches de réseau telles qu'une couche d'entrée, une couche de sortie et une couche de sous-échantillonnage peuvent également être comprimées, ce qui permet d'augmenter considérablement le taux de compression du réseau neuronal, de réduire la quantité de calcul requise par un modèle de réseau neuronal pour exécuter une tâche, et d'augmenter la vitesse de traitement de tâches du réseau neuronal. De plus, le procédé est un procédé d'élagage de canal asynchrone indépendant des données, et facilite le maintien de la robustesse d'un réseau neuronal compressé ; et au moyen du procédé, l'élagage de différentes granularités éparses sur différentes couches de réseau du réseau neuronal peut également être réalisé, et la flexibilité de compression peut également être améliorée.
Patent WO-2023097622-A1 (WO)
Inventor: CHEN WENHONG
IPC: H04W40/06
Filed: 2021-12-02
Abstract: Des modes de réalisation de la présente demande concernent un procédé de transmission de signal en liaison montante, un dispositif terminal, un dispositif de réseau, une puce, un support de stockage lisible par ordinateur, un produit-programme d'ordinateur et un programme d'ordinateur. Le procédé comprend les étapes suivantes : le dispositif terminal rapporte une première capacité d'UE de terminal et/ou une seconde capacité d'UE, la première capacité d'UE étant utilisée pour indiquer si le dispositif terminal prend en charge la transmission de signaux en liaison montante sur différents panneaux d'antenne à l'aide de différentes synchronisations de liaison montante et/ou indiquer une différence de synchronisation autorisée entre des signaux en liaison montante transmis par le dispositif terminal sur différents panneaux et la seconde capacité d'UE étant utilisée pour indiquer au moins l'une des capacités d'UE suivantes : si le dispositif terminal prend en charge ou non une transmission simultanée de signaux en liaison montante sur différents panneaux à l'aide de différentes puissances de transmission ; une différence de puissance de transmission autorisée entre des signaux en liaison montante transmis simultanément par le dispositif terminal sur différents panneaux ; si la puissance de transmission maximale prise en charge par le dispositif terminal sur différents panneaux est ou non la même ; et la puissance de transmission maximale prise en charge par chaque panneau du dispositif terminal ; et le dispositif terminal effectue une transmission de signal en liaison montante sur au moins certains panneaux d'une pluralité de panneaux en fonction de la première capacité d'UE et/ou de la seconde capacité d'UE.
Patent WO-2022183798-A1 (WO)
Inventor: LIU WENQIANG
IPC: C07D333/76
Filed: 2021-12-03
Abstract: The present application relates to an organic compound, and an organic electroluminescent device and an electronic apparatus using same. The structure of the organic compound is as represented in formula (1). When the organic compound of the present application is used as the material of a hole adjustment layer of an organic electroluminescent device, the luminous efficiency and the service life of the device can be improved.
Patent WO-2023097755-A1 (WO)
Inventor: WANG HAORAN
IPC: H01L33/60
Filed: 2021-12-13
Abstract: 一种具有平面区（A）以及至少位于平面区（A）一侧的曲边区（B）的显示面板（10），包括：发光器件层（12），包括多个像素（13），像素（13）具有第一开口面积（S1），设置于发光器件层（12）上方的出光层（15），包括与位于曲边区（B）的像素（13）相对应的多个主聚光结构（17），主聚光结构（17）具有第二开口面积（S2），在由曲边区（B）至平面区（A）的方向上，第一开口面积（S1）与第二开口面积（S2）之间的第一差值逐渐增大。
Patent WO-2023108447-A1 (WO)
Inventor: GOU WEI
IPC: H04L5/00
Filed: 2021-12-15
Abstract: L'invention concerne des techniques destinées à construire un livre de codes d'accusé de réception de demande de répétition automatique hybride (HARQ-ACK) semi-statique. Un exemple de procédé de communication sans fil consiste à déterminer, par un dispositif de communication qui est conçu pour communiquer avec une première cellule et une deuxième cellule, une position d'un premier intervalle de temps associé à la première cellule qui chevauche un deuxième intervalle de temps associé à la deuxième cellule, le deuxième intervalle de temps étant configuré pour une transmission d'informations d'un accusé de réception (ACK) de demande de répétition automatique hybride (HARQ) ; déterminer, pour les informations HARQ-ACK, une pluralité d'intervalles de temps associés à la première cellule et à la deuxième cellule sur la base de la position du premier intervalle de temps et d'un ensemble de valeurs associées à la première cellule ; et transmettre, par le dispositif de communication, des informations HARQ-ACK pour la pluralité d'intervalles de temps dans le deuxième intervalle de temps à la deuxième cellule.
Patent WO-2023115422-A1 (WO)
Inventor: ZHU RONGCHANG
IPC: H04W74/04
Filed: 2021-12-22
Abstract: 本申请提供一种处理方法、通信设备及存储介质，该方法包括以下步骤：接收同一小区下的载波的配置信息和/或调度信息；根据所述配置信息和/或所述调度信息，确定传输块在所述载波上传输时的调度方式。当小区下的载波数量为一个时，通过该载波接收配置信息和/或调度信息，当小区下的载波数量为多个时，通过锚载波接收配置信息，并通过至少一个载波接收调度信息，从而实现了在同一小区下的载波的调度，以指示传输块在该小区下的载波上的传输。
Patent WO-2022143526-A1 (WO)
Inventor: WU MENGYU
IPC: B24B21/00
Filed: 2021-12-27
Abstract: 一种线性抛光机，包括用于固定待抛光件（100）的抛光盘（200）、位于抛光盘（200）上方的动力机构以及与动力机构传动连接的研磨垫（330）；动力机构用于驱动研磨垫（330），以使研磨垫（330）直接接触并研磨待抛光件（100）。本发明的线性抛光机设计新颖，实用性强。