baber/WOPTO huggingface dataset:
Patent WO-2018090985-A1 (WO)
Inventor: DING JIFEI
IPC: B60R17/00
Filed: 2017-11-17
Abstract: La présente invention concerne un véhicule, un système d'alimentation de celui-ci, et une unité d'alimentation de moteur-boîte de vitesses-moteur de celui-ci. L'unité d'alimentation de moteur-boîte de vitesses-moteur comprend un premier moteur (1), un second moteur (8), et une boîte de vitesses (7) disposée entre le premier moteur (1) et le second moteur (8). L'unité d'alimentation de moteur-boîte de vitesses-moteur comprend également un premier circuit de retour d'huile ayant une extrémité en communication avec l'intérieur du premier moteur (1) et l'autre extrémité en communication avec l'intérieur de la boîte de vitesses (7) et un second circuit de retour d'huile ayant une extrémité en communication avec l'intérieur du second moteur (8) et l'autre extrémité en communication avec la boîte de vitesses (7). L'extrémité de communication du premier circuit de retour d'huile et celle du second circuit de retour d'huile en communication avec l'intérieur de la boîte de vitesses (7) sont raccordées à une pompe à huile multiport (13) de façon à permettre à une huile de boîte de vitesses entrant dans le premier moteur (1) et le second moteur (8) de refluer dans la boîte de vitesses (7). Lorsque la pompe à huile multiport (13) est activée, l'huile dans le premier moteur (1) et celle dans le second moteur (8) refluent dans la boîte de vitesses (7), assurant ainsi les propriétés isolantes et les performances d'utilisation des moteurs, et évitant une défaillance du moteur.
Patent WO-2018161641-A1 (WO)
Inventor: XU KAIXUAN
IPC: H01F27/25
Filed: 2017-11-24
Abstract: L'invention concerne un noyau enroulé de transformateur stéréoscopique ayant des culasses triangulaires isocèles, comprenant trois segments de noyau et six culasses. Les trois segments de noyau et les six culasses sont formés par l'assemblage de trois cadres uniques rectangulaires (1). Les tailles et les formes de deux des cadres uniques rectangulaires sont complètement identiques, et la longueur de la culasse du cadre unique rectangulaire restant est supérieure à celle des culasses des deux autres cadres uniques rectangulaires, les trois cadres uniques rectangulaires ont une hauteur égale, deux cadres uniques rectangulaires adjacents sont assemblés pour former des segments de noyau, la section transversale étant un polygone relié de manière externe à un cercle entier. Le noyau enroulé de transformateur stéréoscopique peut réduire la largeur de transport du transformateur, réduire la difficulté de transport, réduire les coûts, et fournir le trajet le plus court pour tapoter une bobine sur un commutateur de dérivation par l'intermédiaire d'un fil, ce qui simplifie considérablement l'agencement de conducteurs.
Patent WO-2018103541-A1 (WO)
Title: 用于去除溶剂干扰的拉曼光谱检测方法和电子设备
Inventor: WANG HONGQIU
IPC: G01N21/65
Filed: 2017-11-24
Abstract: 一种用于去除溶剂干扰的拉曼光谱检测方法和电子设备（800）。检测方法包括以下步骤：对包含溶剂和样品的溶液的拉曼光谱进行测量，以获得溶液的拉曼光谱信号；对溶剂的拉曼光谱进行测量，以获得溶剂的拉曼光谱信号；从溶液的拉曼光谱信号中逐步减去溶剂的拉曼光谱信号，以获得一系列去除溶剂干扰的拉曼光谱信号；计算该系列去除溶剂干扰的拉曼光谱信号中的每一个的信息熵；选择所计算出的一系列的信息熵中的最大信息熵；和将与该最大信息熵对应的去除溶剂干扰的拉曼光谱信号作为优化的去除溶剂干扰的拉曼光谱信号。
Patent WO-2018233215-A1 (WO)
Title: Adjusting device and method for vibration isolator of locomotive diesel generator set
Inventor: JIANG XULONG
IPC: F16M7/00
Filed: 2017-11-29
Abstract: An adjusting device and method for a vibration isolator (2) of a locomotive diesel generator set. An adjusting cushion block (5) and adjusting shims (4) are embedded in a grooved limiting cushion block (10), and the adjusting cushion block (5), the adjusting shims (4) and the grooved limiting adjusting block (10) are connected and fastened by means of connecting bolts (3). During adjustment, ejector rod mechanisms at two opposite side walls of the grooved limiting cushion block (10) jack up a generating set, a vibration isolator (2) breaks away from the adjusting device, the connecting bolts (3) are removed from the adjusting device, and the adjusting shims (4) are added or reduced as required. The adjusting device has a simple structure, and simple and flexible operation, thereby shortening adjustment operation time and improving the adjustment precision.
Patent WO-2019109298-A1 (WO)
Title: Configuration de capacité de réseau pour la commande de débit
Inventor: QU ZHIWEI
IPC: H04W28/22
Filed: 2017-12-07
Abstract: L'invention concerne un procédé pour les communications. Le procédé peut consister à déterminer un premier paramètre de commande de débit pour un service. Le procédé peut en outre consister à transmettre une demande de commande de débit pour le service d'un serveur à une entité d'exposition de réseau. La demande de commande de débit peut comprendre le premier paramètre de commande de débit.
Patent WO-2019113789-A1 (WO)
Title: 一种锁频电路及其控制方法
Inventor: YANG MING
IPC: F24F6/12
Filed: 2017-12-12
Abstract: 一种锁频电路及其控制方法。锁频电路包括：开关电路（101）、采样电路（102）、控制器（103）以及振荡电路（104），所述开关电路（101）的输入端（101b）连接所述振荡电路（104），所述开关电路（101）的输出端（101c）连接所述采样电路（102）的第一端，所述控制器（103）的控制信号输出端连接所述开关电路（101）的控制端（101a），所述控制器（103）的检测信号输入端分别连接所述开关电路（101）的输出端（101c）和所述采样电路（102）的第一端，所述采样电路（102）的第二端接地；其中，所述控制器（103）用于：按预设控制频段控制所述开关电路（101）的通断，并检测所述采样电路（102）对应的压降值，获取最大压降值所对应的控制频率，锁定获取到的所述控制频率控制所述开关电路（101）的通断。所述锁频电路能够使振荡电路锁定在谐振频率。
Patent WO-2018130041-A1 (WO)
Title: 一种多址接入的方法、装置和通讯系统、计算机存储介质
Inventor: YAN CHUNLIN
IPC: H04B1/69
Filed: 2017-12-13
Abstract: 本申请提出一种多址接入的方法、装置和通讯系统、计算机存储介质，所述方法包括：对数据流进行二元域或多元域信道编码，获得多个二元域或多元域编码数据；对每个所述二元域或多元域编码数据进行二元域或多元域扩频，获得多个二元域或多元域扩频数据；将所述二元域或多元域扩频数据映射为调制信号发送。如果所述数据流的个数为单个，则将所述单个数据流对应的调制信号发送；如果所述数据流的个数为多个，则将对于每路数据流的所述调制信号进行星座图旋转和功率缩放后叠加在一起发送。为加强灵活性和增强性能，可以使用交织器和扰码进一步用于区分用户和随机化多用户干扰。本发明不使用重复扩频，而是使用二元域/多元域序列扩频，信道编码使用二元域/多元域信道编码，使用多元域扩频和多元域信道编码的优点是可以取得额外的调制分集增益，取得比基于二元域扩频和二元域信道编码更好的性能，从而大大提升非正交多址的整体性能。使用多流传输可以有效提高单用户频谱效率。
Patent WO-2018121285-A1 (WO)
Inventor: YOU ZHIYI
IPC: H01M50/20
Filed: 2017-12-15
Abstract: 本申请涉及储能器件领域，尤其涉及一种电池包，包括箱体、若干电池模组群固定机构、盖板以及若干电池模组群，所述箱体包括底面以及侧壁，所述侧壁垂直于所述底面，并围绕所述底面设置，每个所述电池模组群均包括若干电池模组，所述电池模组包括主侧面以及窄侧面，所述电池模组沿垂直于所述主侧面的方向堆叠排布，且堆叠方向同时与所述底面相垂直，每个所述电池模组群中位于最上方的所述主侧面均覆盖所述盖板，每个所述电池模组群固定机构将同一所述电池模组群内的所有所述电池模组以及覆盖该电池模组群的所述盖板一并固定在所述底面上。本申请实施例所提供的电池包大幅增加了电池包的空间利用率，提升了能量密度。
Patent WO-2019127635-A1 (WO)
Inventor: LV XIAOWEN
IPC: G02F1/1337
Filed: 2018-01-04
Abstract: A method for aligning a liquid crystal display panel, comprises the following steps: assembling a color film substrate (1), an array substrate (2) and a liquid crystal layer (3) to be a liquid crystal display panel (S10); applying a first alignment voltage to a common electrode wire layer 21 of the array substrate (2), and applying a second alignment voltage to a common electrode layer (15) of the color film substrate (1) (S11), wherein the first alignment voltage and the second alignment voltage have a predetermined voltage difference therebetween; aligning the liquid crystal layer (3) of the liquid crystal display panel by means of the predetermined voltage difference, such that liquid crystal molecules in the liquid crystal layer (3) are arranged at a preset inclination angle (S12); and using ultraviolet rays to irradiate the liquid crystal layer (3) (S13). According to the described alignment method, the dependence of liquid crystal alignment on data wires may be reduced, thus improving the product yield.
Patent WO-2019114060-A1 (WO)
Title: 电极板及其表面处理方法
Inventor: Xing shengyang
IPC: C23C16/505
Filed: 2018-01-04
Abstract: 一种电极板（10）及其表面处理方法。电极板（10）的表面处理方法首先采用退火工艺对电极板（10）进行处理，在镁铝合金材料层（11）表面形成一层镁薄膜（12），然后使镁薄膜（12）与氟离子发生化学反应，在镁薄膜（12）的表层生成氟化镁薄膜（13），或者将整个镁薄膜（12）转化为氟化镁薄膜（13）。电极板（10）表面设有氟化镁薄膜（13），所述氟化镁薄膜（13）能够作为保护层对镁铝合金材料层（11）进行保护，因此所述电极板（10）具有优异的耐氟离子腐蚀性能，能够提高化学气相沉积成膜质量。
Patent WO-2019007061-A1 (WO)
Title: Optical grating for dual-field-of-view display and dual-field-of-view display device
Inventor: CHEN XIUYUN
IPC: G02B5/18
Filed: 2018-02-07
Abstract: An optical grating (01) for dual-field-of-view display and a dual-field-of-view display device. The optical grating (01) comprises a plurality of light transmitting units (10) and light shading units (20) distributed alternately; the light transmitting unit (10) comprises a first lens unit (101) and a second lens unit (102), wherein the first lens unit (101) is configured to converge incident light to the first direction to achieve image display of a first viewing angle, and the second lens unit (102) is configured to converge incident light to the second direction to achieve image display of a second viewing angle.
Patent WO-2019091009-A1 (WO)
Title: 柔性显示模组及其制作方法
Inventor: BI WEI
IPC: G06F3/041
Filed: 2018-02-09
Abstract: 一种柔性显示模组，包括：柔性承载板（10）以及柔性显示面板（20），柔性显示面板（20）包括折叠区域（201）和设置在折叠区域（201）的相对两侧的周边区域（202），柔性显示面板（20）层叠于柔性承载板（10）表面，柔性承载板（10）包括与折叠区域（201）重叠的第一部分（101）和与周边区域（202）重叠的第二部分（102），第一部分（101）具有预张应力，用于柔性显示模组弯折时对抗柔性显示面板（20）的折叠区域（201）。柔性显示模组解决了柔性显示面板（20）在弯折过程中胶材的厚度不均匀导致的柔性显示面板（20）出现褶皱的现象。
Patent WO-2019033739-A1 (WO)
Title: Electric motor winding structure, electric motor magnetic conductive component, ferromagnetic lamination and electric motor
Inventor: MA SHENGJUN
IPC: H02K1/06
Filed: 2018-02-24
Abstract: Provided are a ferromagnetic lamination, an electric motor magnetic conductive component, an electric motor having the electric motor magnetic conductive component, an electric motor winding structure and an electric motor having the electric motor winding structure, and an electric energy and magnetic field energy transformation device. The electric motor magnetic conductive component comprises a winding groove (110), and a plurality of holes (400) in communication with an accommodation space of the winding groove are formed on an inner wall of the winding groove. The electric motor magnetic conductive component can effectively reserve and fix a liquid insulating medium by means of the structure of the holes when an insulating treatment is carried out on the electric motor magnetic conductive component, and forms a rooted intermediate elastic base at a ferromagnetic boundary after the solidification of the liquid insulating medium, and thus effectively prevents the insulating medium from being stripped, cracked or separated.
Patent WO-2018196507-A1 (WO)
Title: 一种pop音的抑制方法、音频输出电路和终端
Inventor: LI DING
IPC: H03G3/30
Filed: 2018-03-20
Abstract: 本申请公开了一种POP音的抑制方法、音频输出电路和终端，以抑制音频输出电路采用AC耦合结构时容易产生的POP音。该输出电路包括：输出功率放大器、共模电平缓冲器、参考电平产生电路、上电POP音抑制开关和共模开关，所述上电POP音抑制开关，用于在所述音频输出电路的电源上电过程中，控制所述输出节点的电平为零；所述共模开关，用于在所述参考电平产生电路的参考电平为零时，控制所述输出节点的电平等于所述参考电平，采用该输出电路能够避免共模建立过程产生的POP音。
Patent WO-2018171739-A1 (WO)
Title: 通信方法、网络设备和终端
Inventor: YAN LE
IPC: H04W36/08
Filed: 2018-03-23
Abstract: 本申请提供了通信方法、网络设备和终端。该通信方法包括：第一网络设备确定至少一个候选目标小区和第一配置信息，第一配置信息用于触发终端将至少一个候选目标小区中的一个小区确定为待切换小区，第一网络设备为终端当前接入的服务小区所属的网络设备；第一网络设备向终端发送第一消息，第一消息包括第一小区指示信息和第一配置信息，第一小区指示信息用于指示至少一个候选目标小区。本申请提供的通信方法、网络设备和终端，能够提高终端的切换成功率，从而提高终端的通信质量。
Patent WO-2019029205-A1 (WO)
Title: Coding method and device
Inventor: HUANG LINGCHEN
IPC: H04L1/00
Filed: 2018-05-10
Abstract: Provided in the application are a coding method and a device. The method comprises the following steps: performing CRC (Cyclic Redundancy Check) coding on a number A of to-be-coded information bits to obtain a first bit sequence, wherein the first bit sequence comprises L number of CRC bits and A number of information bits; performing an interleaving operation on the first bit sequence to obtain a second bit sequence, wherein a first interleaving sequence used in the interleaving operation is obtained according to the longest interleaving sequence supported by the system and a preset rule. The length of the first interleaving sequence is equal to A+L, or a second interleaving sequence used in the interleaving operation is the longest interleaving sequence. the length of the second interleaving sequence is equal to K max+L, K max being the maximum number of information bits corresponding to the longest interleaving sequence; and performing polar coding on the second bit sequence. Therefore, in the distributed CRC encoding, when the number of information bits is less than the maximum number of information bits, the interleaving sequence required to complete the interleaving process is obtained according to the longest interleaving sequence supported by the system.
Patent WO-2019169741-A1 (WO)
Inventor: SHI WEI
IPC: F03D1/02
Filed: 2018-05-24
Abstract: The present invention relates to the technical field of marine renewable energy application, and particularly relates to a deep sea energy integration system based on a floating fan and a tidal current energy apparatus, being of a power generation structure having fans with a Spar platform as a foundation and integrating vertical axis tidal current energy, and comprising a Spar floating type wind power generation system and a tidal current energy power generation system. The Spar floating type wind power generation system of the present invention is simple in structure and high in stability, is suitable for middle and far sea areas, and is simple and convenient to mount and wide in application water depth. By combining an offshore wind power generation apparatus with the tidal current energy power generation apparatus to share the Spar platform, an anchor mooring line, a voltage transformation device, and a power transmission device, the power generation performance of the system is improved, the total power generation capacity is increased, marine renewable energy sources are effectively utilized, the investment costs are reduced, and the commercial application is accelerated. An external support of the tidal current energy power generation system of the present invention is of a cylindrical shape, thereby reducing wave loads, utilizing the tide current energy to the maximum extent, and moreover, ensuring the stability of the structure.
Patent WO-2019019825-A1 (WO)
Title: Congestion control method and related device
Inventor: LI YEXING
IPC: H04W28/02
Filed: 2018-06-12
Abstract: Disclosed are a congestion control method and a related device. The method can comprise: an application server learning from a communication device that a terminal device has been switched to a target cell from a source cell; the application server monitoring a round trip delay (RTT) and a bandwidth (BW); and according to monitoring values for the RTT and the BW, determining whether network congestion has occurred on a link from the application server to the terminal device. By means of the present application, the misjudgement probability of a sending end entering a network congestion control stage in advance can be reduced in some communication scenarios, and the utilization rate of network bandwidth can be improved.
Patent WO-2019105032-A1 (WO)
Inventor: LIN CHUTAO
IPC: H05K1/02
Filed: 2018-06-29
Abstract: 本发明涉及一种刚挠结合板及其制作方法，刚挠结合板包括第一挠性芯板、第二挠性芯板、第一线路板与第二线路板。第一线路板的其中一侧表面、第二线路板的其中一侧表面与第一挠性芯板相连，第一线路板的另一侧表面、第二线路板的另一侧表面与第二挠性芯板相连。上述的刚挠结合板，第一挠性芯板、第二挠性芯板上与第一线路板、第二线路板之间的间隔所对应的区域为可弯折区域，实现了刚挠结合板的弯折功能。另外，第一挠性芯板、第二挠性芯板有足够多的信号传输线来导通第一线路板、第二线路板上的电子元件。此外，外部设备的传输信号直接传输至外表层的第一挠性芯板、第二挠性芯板，能避免传输信号经过过孔时产生损耗现象。
Patent WO-2019114265-A1 (WO)
Inventor: TANG YAN
IPC: B07C3/02
Filed: 2018-07-12
Abstract: L'invention concerne un mécanisme à rabat, comprenant une base (1), un rabat (2), des ensembles (3) paire tournante disposés entre la base (1) et le rabat (2), et un mécanisme de motorisation (4). Le rabat (2) et/ou la base (1) comprennent des arbres tournants (5), les arbres tournants (5) sont placés sur au moins un bord, et les ensembles (3) paire tournante sont disposés sur la base (1) et/ou sur le rabat (2) et positionnés en regard des arbres tournants (5) ; un arbre tournant (5) est conjugué à au moins un ensemble (3) paire tournante ; et chaque ensemble (3) paire tournante comprend une paire tournante (31) et un mécanisme d'activation (32).
Patent WO-2020019320-A1 (WO)
Title: Method for dynamically allocating channel resources of simulcast system, device and storage medium
Inventor: LUO YI
IPC: H04W4/06
Filed: 2018-07-27
Abstract: The present invention relates to a method for dynamically allocating channel resources of a simulcast system, a device and a storage medium, wherein the method comprises: S1, a simulcast system receiving a call request sent by a terminal, the call request carrying group attribute information of the terminal; S2, acquiring first position information of the terminal according to the call request; S3, determining a current adaptive base station according to the first position information of the terminal; S4, the simulcast system detecting whether the current adaptive base station has idle channels; S5, if the simulcast system detects that the current adaptive base station has idle channels, allocating the idle channels by means of the current adaptive base station. By means of the present invention, more services may be supported by a simulcast system on limited channel resources, thus improving user experience while reducing the transmission time of a channel machine to save power consumption of the system and extend the service life of the system, thereby increasing the competitiveness of a product and more widely occupying the sales market.
Patent WO-2020019353-A1 (WO)
Title: Tracking control method, apparatus, and computer-readable storage medium
Inventor: HU PAN
IPC: G06V10/764
Filed: 2018-07-27
Abstract: A tracking control method, an apparatus, and a computer-readable storage medium. The method comprises: acquiring an input image sequence, wherein the input image sequence can comprise multiple input images (101); performing, on the basis of a detection algorithm, detection on a given input image in the input image sequence, so as to obtain a tracking frame around a target object (102); and tracking, on the basis of the detection algorithm and the tracking frame of the target object, the target object in multiple input images following the given input image (the input image that underwent detection) (103). The method can increase the accuracy and reliability of human face detection, reduce network complexity and computation load, and achieve the goal of real-time detection.
Patent WO-2019153670-A1 (WO)
Title: Switch valve core and water outlet device
Inventor: WANG MINGNAN
IPC: F16K31/126
Filed: 2018-08-02
Abstract: Disclosed are a switch valve core and a water outlet device. The switch valve core comprises a driven part (1), a transmission shaft (2), a sealing member (3), a diaphragm (6), a pressure chamber (51) and a valve body (7). The pressure chamber (51) is used for forming the same water pressure on two sides of the diaphragm (6) to balance water pressure, so that the resistance against an operated member is small and stable, and the operation force value of the driven part (1) does not suddenly change as the water pressure changes. An internal cavity of the sealing member (3) can absorb an impact force of an operating force on the driven part (1) during an idle running stage, and during two or more processes in which the sealing member (3) is compressed and deformed, the force fed back to the transmission shaft (2) and the driven part (1) is stable and continuous, so that a user needs less force to operate, the operation process is stable and continuous, and the use experience is greatly improved.
Patent WO-2019085569-A1 (WO)
Title: NOx ABATEMENT METHOD FOR PRECIOUS METAL REFINERY AND RECYCLING PROCESSES
Inventor: NOWOTTNY CHRISTIAN
IPC: B01D53/56
Filed: 2018-08-06
Abstract: Process for NOx removal wherein an aqueous liquid, oxygen and/or ozone, and a NOx-containing off-gas generated in a precious metal refinery or recycling process are fed into a venturi mixing unit (1), thereby obtaining a turbulent aqueous reaction zone in the venturi mixing unit (1), and a HNO3-enriched aqueous liquid leaves the venturi mixing unit (1).
Patent WO-2019029631-A1 (WO)
Title: Apparatus and method for beam reporting, beam indication and scheduling of data transmission during beam management
Inventor: WANG GUOTONG
IPC: H04W16/28
Filed: 2018-08-09
Abstract: Embodiments of the present disclosure describe apparatuses, methods and machine-readable storage medium for beam reporting, beam indication and scheduling of data transmission during beam management.
Patent WO-2019140919-A1 (WO)
Title: Page screenshot method and device, display terminal and computer-readable storage medium
Inventor: WANG SHILU
IPC: G06F3/0484
Filed: 2018-08-30
Abstract: Provided are a method and a device for page screenshot, a display terminal and a computer-readable storage medium. The page screenshot method comprises the following steps of: receiving a screen shot mode input by a user (11); receiving at least one screenshot page selected by a user in the case that the user selects a multi-page screenshot mode (12); capturing and saving a screen display diagram of all of the screenshot pages selected by the user (13). With one-key screenshot mode, one-key multi-interface screenshot and the customized selection of interface for screen shot can be achieved, and when a plurality of picture information needs to be captured, the working efficiency and the operation experience can be greatly improved, and the incidence rate of missing screenshot and repeated screenshot can be reduced.
Patent WO-2020051810-A1 (WO)
Title: Liquid crystal display panel, liquid crystal display screen and electronic device
Inventor: MA LEI
IPC: G02F1/1335
Filed: 2018-09-12
Abstract: A liquid crystal display panel (600), a liquid crystal display screen (400), and an electronic device (100). The liquid crystal display panel (600) has a light-transmissive area (601) and a display area (602) surrounding the light-transmissive area (601, and the display area (602) is used to display an image. The liquid crystal display panel (600) comprises a first polarizer (10), a first substrate (1), a color film layer (2), a device array layer (3), a second substrate (4), and a second polarizer (30) that are sequentially stacked. The first substrate (1) and the second substrate (4) are each made of a light-transmissive material and cover the light-transmissive area (601). A portion of the color film layer (2) located at the light-transmissive area (601) and a portion of the device array layer (3) located at the light-transmissive area (601) both allow visible light to pass through. The polarization axis of the first polarizer (10) is perpendicular to the polarization axis of the second polarizer (30), and at least one among the first polarizer (10) and the second polarizer (30) is hollowed-out in the light-transmissive area (601). The foregoing liquid crystal display panel (600) is capable of increasing the screen ratio.
Patent WO-2020093306-A1 (WO)
Inventor: JIANG GUOYUE
IPC: G06N3/02
Filed: 2018-11-08
Abstract: A neutral network layer grouping method, apparatus and device, and a storage medium and a program product. The method comprises the steps of grouping layers of a neutral network according to a first grouping rule to obtain multiple first groups (101); in the first groups, determining invalid groups according to a preset validity rule(102); performing secondary segmentation on the invalid groups according to a second grouping rule to obtain second groups (103); in the second groups, determining invalid groups according to the preset validity rule, and continuing the step of performing secondary segmentation on the invalid groups according to the second grouping rule (104); determining various valid grouping sets according to the first groups and the second groups (105); and scoring each valid grouping set according to a preset rule, and determining a target grouping set from the valid grouping sets according to scores (106). The solution can improve grouping efficiency, and can obtain more grouping modes than manual grouping, so as to determine an optimal target grouping set.