baber/WOPTO huggingface dataset:
Patent WO-2019061520-A1 (WO)
Title: Method and device for switching paths
Inventor: LI JINGTANG
IPC: H04L12/46
Filed: 2017-09-30
Abstract: Disclosed in the present application are a method and device for switching paths, which are used to solve the problem wherein a direct routing path fails between a provider edge router (PE) and a customer edge device (CE), and downlink data cannot be forwarded on the PE, thereby causing an interruption in downlink traffic. The method for switching paths comprises: a first PE determining that a direct routing path between a CE changes from available to unavailable; the first PE issuing first routing information, which is used to enable the CE to receive data by means of a second PE, wherein the first PE and the second PE are both PEs accessed by the CE, and the first routing information comprises the routing overhead of the direct routing path between the first PE and the CE. The present application relates to the technical field of communications.
Patent WO-2018090826-A1 (WO)
Inventor: ZHANG GUANJING
IPC: A61B5/02
Filed: 2017-11-01
Abstract: L'invention concerne un procédé de détection du pouls en médecine chinoise traditionnelle de type à pressurisation automatique, comprenant les étapes consistant à : commander un raccord d'entraînement (11) pour amener une tige de levage (3) à se déplacer vers le bas de façon à amener un levier de bras (4) à se déplacer vers le bas (S32) ; détecter une valeur de pression entre une sonde de capteur de pouls (8) et le poignet d'un sujet détecté, au moyen d'un capteur de pression (9) (S33) ; commander le raccord d'entraînement (11), de telle sorte que la tige de levage (3) est arrêtée dans son déplacement et la sonde de capteur de pouls (8) est arrêtée sur le poignet lorsque la valeur de pression n'est pas égale à zéro (S35) ; commander un moteur pas-à-pas (5) pour amener un pas hélicoïdal de vis de guidage (7) à se déplacer vers le bas, de telle sorte que des pressions à différents degrés sont appliquées sur le poignet au moyen de la sonde de capteur de pouls (8) (S36) ; obtenir des signaux de détection de pouls sous les pressions à différents degrés, à partir d'une artère du poignet au moyen de la sonde de capteur de pouls (8), convertir les signaux de détection de pouls sous les pressions à différents degrés en données de pouls sous les pressions à différents degrés, et afficher les pressions à différents degrés et les données de pouls correspondantes sur un écran d'affichage (12) (S37). En appliquant automatiquement les pressions à différents degrés requises pour une détection du pouls sur le poignet dans un mode de pressurisation de haut en bas, le procédé de détection du pouls en médecine Chinoise traditionnelle de type à pressurisation automatique peut obtenir des signaux de détection de pouls précis.
Patent WO-2018233184-A1 (WO)
Title: Floating support device
Inventor: LI HONGXIAN
IPC: B23Q3/06
Filed: 2017-11-08
Abstract: A floating support device (2), which is suitable for a sludge pump water outlet pipe processing device; the sludge pump water outlet pipe processing device comprises a base (1), the floating support device (2), a column (3), a lower template (4) ), an upper template (5), and a locking device (6). The floating support device (2) comprises a support seat (21), an adjustment nut (22), and a support base (23); the support seat (21) is mounted on the base (1) and is fixedly connected to the base (1), the axial line thereof being perpendicular to a surface of the base (1); the adjustment nut (22) is mounted on the support base (23) and is screwed to a screw (231) of the support base (23); the support base (23) is sleevingly installed on an inner hole (214) of the support seat (21) by means of the screw (231) at a lower part of the support base (23), and may freely move linearly in the axial direction and a rotate about the axial line of the support seat; the device ensures that a pipe body receives support, and at the same time, the device has the characteristics of being convenient to assemble and disassemble while support height may be adjusted.
Patent WO-2019051972-A1 (WO)
Title: Auxiliary tooling for mounting fixed codes and fixed code mounting method
Inventor: LIN XINCHUN
IPC: B23K37/04
Filed: 2017-11-08
Abstract: An auxiliary tooling for mounting fixed codes and a fixed code mounting method. The auxiliary tooling comprises a tooling frame (1); the tooling frame (1) is provided with four mounting holes (11) for the fixed codes; the four mounting holes (11) are distributed on the tooling frame (1) in a rectangular shape; the length and the width of the tooling frame (1) are adjustable to make the distance between the every two adjacent mounting holes (11) be adjustable. By providing the tooling frame (1) with the adjustable length and width, positions of the mounting holes (11) can be adjusted in advance to correspond to the positions of four screw holes in electrical equipment (3) according to needs; then the fixed codes (2) are mounted in the mounting holes (2); the whole is moved to a position of a ship to be mounted; after the fixed codes (2) are welded, the tooling frame (1) is separated from the fixed codes (2). In this way, the step of lining to determine mounting positions of the fixed codes (2) is omitted, mounting difficulty is decreased, and mounting speed is improved. Moreover, due to the fact that the fixed codes (2) are adopted for supporting the electrical equipment, a special mounting frame is omitted, so that design and manufacturing costs are reduced, and in addition, the lightship weight of the ship is reduced.
Patent WO-2019090600-A1 (WO)
Title: 一种基于智能终端的控制方法及控制系统
Inventor: HU GUANYANG
IPC: H04M1/73
Filed: 2017-11-09
Abstract: 本发明提供给了一种基于智能终端的控制方法及控制系统，所述控制方法包括：启动所述智能终端的安心闹钟模式；检测所述智能终端的当前电量；将所述当前电量与一预设电量比较；当所述当前电量低于所述预设电量时，关闭所述智能终端，并控制所述智能终端在一预设闹钟时间点发出闹钟响铃。所述控制系统包括：启动模块，检测模块，比较模块和控制模块。基于本发明对智能终端当前电量的检测和判断，及时关闭智能终端，以保持电量能够支撑到预设闹钟时间点，准时发出闹钟闹铃声。
Patent WO-2019100395-A1 (WO)
Inventor: ZHOU SAIJUN
IPC: B60K1/04
Filed: 2017-11-27
Abstract: La présente invention concerne un ensemble châssis (100) d'un véhicule électrique, comprenant un cadre principal (110), le cadre principal formant, d'une manière fermée, un espace de réception (111) pour recevoir un ensemble batterie (200) et formant une portion de support (112) sur un côté faisant face à l'espace de réception, afin de fixer de manière amovible l'ensemble batterie. De cette manière, un véhicule électrique peut être pleinement chargé rapidement et indirectement avec une source d'énergie, ce qui améliore l'efficacité de charge du véhicule électrique. L'invention concerne également une plate-forme de châssis d'un véhicule électrique et un véhicule électrique.
Patent WO-2018141174-A1 (WO)
Inventor: LEE XIAOBING
IPC: G06F13/14
Filed: 2017-12-01
Abstract: A hybrid DDR5 DIMM device includes a PCB board with a host interface through one of two DDR5 sub-channels, and a plurality of DDR4 or slow DDR5 SDRAM chips on the PCB coupled to this single channel DDR5 host interface. An embodiment processing system includes a host CPU to access a pairs of hybrid DDR5 DIMM devices for 4x DDR5 memory capacities (4DPC), a first or second hybrid DDR5 DIMM including a plurality of half-speed SDRAM chips, and a first or second DDR5 sub-channel coupled the host with slow SRAM chips on DIMM. Mounting same data-buffer and RCD chips on hybrid DIMM to a server motherboard can double available DDR4 DIMMs's peed to DDR5 speed rate. Pairs of hybrid DDR5 DIMM devices cascaded one-by-one can aggregate more DDR5 DIMM devices to expand memory capacities at double speed of DDR4 or DDR5 SDRAM chips, beyond current DDR5 speed limit 6400MT/s.
Patent WO-2018121189-A1 (WO)
Title: 一种无线数据单元rdu的切换方法及设备
Inventor: MA JIE
IPC: H04W36/30
Filed: 2017-12-04
Abstract: 一种RDU切换方法及设备，用以实现UE从源RDU快速切换至目标RDU，降低UE从源RDU切换至目标RDU的过程中数据传输的中断时延。方法包括：源RDU接收源RDU服务的用户设备UE上报的第一信道质量和第二信道质量；源RDU在确定第一信道质量与第二信道质量满足预设条件，并且确定目标RDU的资源用于被源RDU调度时，源RDU向UE发送第一消息，并向目标RDU发送第二消息，第一消息用于指示UE从源RDU切换至目标RDU，第二消息用于指示源RDU调度的目标RDU的资源，目标RDU的资源用于在UE从源RDU切换至目标RDU的过程中目标RDU与UE进行数据传输。
Patent WO-2018103651-A1 (WO)
Title: 冰箱
Inventor: GONGBEN SHENGPING
IPC: F25D21/08
Filed: 2017-12-06
Abstract: 一种冰箱（1），通过至少部分封堵冷却室（13）的送风口（13a）的遮蔽装置（50），控制送至各贮藏室的风量。控制冰箱（1）的运行动作的控制装置（80），通过驱动轴（61）对送风机罩（51）执行关闭动作直至送风机罩（51）与支撑基体（53）抵接，由此确定送风机罩（51）的初始位置，并以该初始位置为基准控制送风机罩（51）的开闭量。
Patent WO-2019113947-A1 (WO)
Title: Panneau d'affichage amoled ayant une fonction de balayage d'image
Inventor: LIU LIBIN
IPC: H01L27/32
Filed: 2017-12-15
Abstract: L'invention concerne un panneau d'affichage comprenant un substrat (100), une couche de transistor (1) sur le substrat (100), et une couche de définition de pixels (2) sur un côté de la couche de transistor (1) distal par rapport au substrat (100) pour diviser le panneau d'affichage en une pluralité de régions de sous-pixels. Au moins une région de sous-pixels comprend une sous-région d'affichage (211) et une sous-région sensible à la lumière (212). Le panneau d'affichage comprend en outre une pluralité de diodes électroluminescentes organiques formées sur la couche de transistor (1) respectivement sur la pluralité de régions de sous-pixels. De plus, le panneau d'affichage comprend une pluralité de circuits de pixels formés dans la couche de transistor (1) respectivement sur la pluralité de régions de sous-pixels. Chaque circuit de pixel comprend au moins un sous-circuit d'attaque d'affichage couplé à une diode électroluminescente organique. Au moins un circuit de pixel dans l'au moins une région de sous-pixels comprend un sous-circuit de détection de lumière formé sur la sous-région photosensible (212) et couplé au sous-circuit d'attaque d'affichage formé sur la sous-région d'affichage (211).
Patent WO-2019071848-A1 (WO)
Title: Antenna device and mobile terminal
Inventor: WANG JIKANG
IPC: H01Q9/04
Filed: 2017-12-28
Abstract: An antenna device comprises a feed branch, a first grounding branch, and a radiating body. The radiating body comprises a first radiating section and a second radiating section. There is a gap between the first radiating section and the second radiating section. The end of the first radiating section distant from the second radiating section is grounded. The feed branch comprises a feed end and a first connecting end. A first capacitor is connected in series between the feed end and the first connecting end. The first connecting end is located at an intersection between the feed branch and the second radiating section. The distance between the first connecting end and the gap is within a preset range, so that the first radiating section forms a parasitic antenna radiating signals in a first band. The first grounding branch comprises a first grounding end and a second connecting end. The second connecting end is located at an intersection between the first grounding branch and the second radiating section. A matching circuit is connected in series between the second connecting end and the first grounding end. The current fed from the feed end reaches the first grounding through the matching circuit to radiate signals in a second band. The present application also provides a mobile terminal. The present application can implement coverage of frequency ranges of different bands.
Patent WO-2019109428-A1 (WO)
Title: 一种冲压备料装置
Inventor: WU ZEQUAN
IPC: B21D43/20
Filed: 2017-12-29
Abstract: 一种冲压备料装置，包括备料平台、行走平台（2）、水平驱动源（1）以及竖直驱动源（4），行走平台（2）的下端面布置有多个行走轮（3），水平驱动源的动作端固定在行走平台的侧面，竖直驱动源安装在行走平台的上端面，竖直驱动源的动作端固定在备料平台的下端面，备料平台的上端面布置有备料容置腔。通过备用材料放置到备料容置腔后，上料架中的卷料快用完时，水平驱动源驱使行走平台往前移动到上料架下方，竖直驱动源的动作端伸出后，将备用材料顶起，使得备用材料的安装孔对着上料架的上料辊轴，操作人再将备用材料推向上料架，使得备用材料套在上料架的上料辊轴上，从而实现材料快速安装，操作方便，节省时间，提高生产效率。
Patent WO-2018130129-A1 (WO)
Title: 共地检测电路及其检测方法
Inventor: Zan chao
IPC: G01R31/04
Filed: 2018-01-08
Abstract: 一种共地检测电路及其检测方法，共地检测电路包括：控制处理单元（1）、开关电路（2）、电压检测电路（3）和接口连接器（4），且控制处理单元（1）包括接口连接电路（11），接口连接电路（11）与接口连接器（4）连接且用于通过接口连接器（4）与外部的线缆接口（5）对接，控制处理单元（1）与开关电路（2）的控制端（21）连接，用于控制开关电路（2）的闭合与关断，开关电路（2）的第一信号端（22）和电压检测电路（3）的接地端（31）分别与参考地连接，开关电路（2）的第二信号端（23）和电压检测电路（3）的检测端（32）分别与接口连接器（4）的地信号输出端（41）连接。本方法可以自动检测与对端设备是否共地，无需用户手动操作，提高了检测效率。
Patent WO-2018141237-A1 (WO)
Title: Composition de blanchiment ou de détergent
Inventor: HONG BING
IPC: C11D3/30
Filed: 2018-01-30
Abstract: L'invention concerne l'utilisation d'amines spécifiques comme catalyseur de blanchiment pour des compositions de détergent, et des compositions de blanchiment et de détergent contenant celles-ci. L'invention concerne également une formulation comprenant au moins un détergent, une amine spécifique et éventuellement une source de peroxyde d'hydrogène.
Patent WO-2018157782-A1 (WO)
Title: 用于网络连接的凭证信息的处理方法、装置和应用app
Inventor: TIAN YUCUN
IPC: H04W12/06
Filed: 2018-02-27
Abstract: 本发明公开了一种用于网络连接的凭证信息的处理方法、装置和应用APP。其中，该方法包括：第一终端响应于为第二终端申请连网凭证的指令，向服务器发送第一凭证下载请求；第一终端接收所述服务器发送的第一凭证信息；第二终端接收第一终端从第一终端系统内存中直接发送的第一凭证信息以及待连接的无线网络的网络标识，第二终端将所述第一凭证信息从第二终端系统内存中直接存储在第二终端的安全存储区，第二终端使用所述安全存储区内的所述第一凭证信息连接所述网络标识对应的无线网络。
Patent WO-2019001019-A1 (WO)
Title: Fixed garbage can cleaning apparatus
Inventor: LI ZHENPING
IPC: B08B9/36
Filed: 2018-03-15
Abstract: A fixed garbage can cleaning apparatus, relating to the technical field of environmental protection equipment. The fixed garbage can cleaning apparatus comprises a running body and a cleaning mechanism. The running body comprises a base (1) and a vertical plate (2). Universal wheels (3) are provided below the base (1). The base (1) is provided with a storage battery (4) and a water storage tank (5). The apparatus implements cleaning automation, is easy to operate and convenient to use, and has a good cleaning effect.
Patent WO-2019178747-A1 (WO)
Title: Polyolefin-and-polyvinylpyrrolidone formulation
Inventor: HE CHAO
IPC: C08L23/06
Filed: 2018-03-20
Abstract: A polyolefin-and-polyvinylpyrrolidone formulation comprising (A) an olefin-based (co) polymer, (B) a polyvinylpyrrolidone (co) polymer, and (C) an antioxidant. Also a method of making the composition; a crosslinked polyolefin product made by curing the composition; manufactured articles comprising a shaped form of the inventive formulation or product; and methods of using the inventive formulation, product, or articles.
Patent WO-2019183751-A1 (WO)
Title: 一种车前积雪与结冰的检测报警方法、存储介质和服务器
Inventor: ZHOU QINGHUA
IPC: G06K9/00
Filed: 2018-03-26
Abstract: 一种车前积雪与结冰的检测报警方法，用于解决如何检测路面积雪与结冰情况并及时发出相应报警的问题。该方法包括：获取车辆上摄像头拍摄车前场景的第一视频（101）；从第一视频的视频帧中截取出车前场景中表征路面状况的第一图片（102）；将第一图片作为输入投入至预训练完成的深度学习模型，得到深度学习模型输出的识别结果（103），识别结果为路面上存在积雪或结冰，或者路面上不存在积雪或结冰；若识别结果为路面上存在积雪或结冰，则发出报警信息（104）。
Patent WO-2019024574-A1 (WO)
Title: Colour film substrate, display panel, backlight module, display device and display system
Inventor: XUE HONGZHEN
IPC: G02F1/1335
Filed: 2018-05-23
Abstract: A colour film substrate (1), a display panel, a backlight module, a display device and a display system. The colour film substrate comprises multiple pixel units (2) arranged in an array, each of the pixel units (2) comprising a first-type filter unit (3) and a second-type filter unit (4), wherein the first-type filter unit (3) allows visible light to pass through and blocks invisible light from passing through, and the second-type filter unit (4) allows invisible light to pass through and blocks visible light from passing through.
Patent WO-2019227293-A1 (WO)
Inventor: WEN GUIHUA
IPC: G01B21/20
Filed: 2018-05-28
Abstract: 一种轮齿齿廓平滑度的评估方法及轮齿齿廓的修形方法。评估时，先确定第一参照点、第二参照点及参照圆。而且，由于相邻的两个齿形曲线的交点位于参照圆上，故参照圆圆心到交点的距离等于参照圆的半径。假设，存在一个与参照圆相同的可沿外轮廓曲线的内侧滚动的滚动圆，当第一参照点及第二参照点与圆心之间的距离大于参照圆的半径时，则表示滚动圆通过交点位置时将会与交点相切。这表明，上述相邻的两个齿形曲线之间过渡较平缓，从而可对轮齿的平滑度进行准确的评估。经过多次评估的循环过程后，最终可得到使轮齿的平滑度符合需求的修形齿形曲线。此外，本发明还提供一种计算机设备及计算机可读存储介质。
Patent WO-2020000367-A1 (WO)
Inventor: CHEN HUNG KWAN
IPC: G01V11/00
Filed: 2018-06-29
Abstract: A system and a method for a crowd surveillance device comprising a multi-sensor system connected to a processing device (13), wherein the processing device (13) comprises an image fusion module (14) for receiving images from the multi-sensor system, transforming and fusing images into a fused image; an image analytic module (15) for extracting each individual target and identifying any conceal object on the individual target, an alert triggering module (16) for triggering an alert in the event a conceal object on the individual target is identified.
Patent WO-2019011167-A1 (WO)
Title: Bispecific recombinant protein
Inventor: XUE TONGTONG
IPC: A61K39/395
Filed: 2018-07-04
Abstract: The invention relates to the field of biological medicines, in particular to a bispecific recombinant protein, a nucleic acid molecule for encoding the bispecific recombinant protein, a preparation method thereof, the use of the recombinant protein for preparing a pharmaceutical composition, and the use of the recombinant protein for treating inflammatory diseases or autoimmune diseases.
Patent WO-2020014952-A1 (WO)
Title: Limiting computing rack input power due to power supply unit failure
Inventor: LIANG XIAOGUO
IPC: H02J9/00
Filed: 2018-07-20
Abstract: In some examples, a control unit is configured to control a computer server rack having a first grid power source, a second grid power source, and a battery backup system. The control unit is adapted to monitor a failed status of one or more power supply units in the computer server rack, to determine location information relating to the one or more power supply units having the failed status, to determine input power of the one or more power supply units having the failed status, to adjust an input power of the first grid power source based on the determined input power, and to adjust an input power of the second grid power source based on the determined input power.
Patent WO-2020019284-A1 (WO)
Title: Optical fiber connector
Inventor: JIANG XIAOLAN
IPC: G02B6/36
Filed: 2018-07-27
Abstract: An optical fiber connector used for physical connection of optical fiber communication, comprising an inner core mechanism (1), a plug mechanism (2), a sealing mechanism (4) and a dustproof mechanism (3). The inner core mechanism (1) comprises an inner core body (11), which is provided with an opening (113) in the axial direction from one end surface; a first receiving slot (114) is opened at the opening (113); an optical fiber slot (111) is continuously formed in the sidewall of the inner core body (11) along the axial direction of the inner core body (11) and is used for accommodating an optical fiber. An inner core cover (12) comprises: a second receiving slot (121), disposed axially along the body of the inner core cover (12); a limiting block, which is disposed at one end of the second receiving slot (121) and is integrated with the body of the inner core cover (12); and a connection head (13), connected to the optical fiber located in the optical fiber slot (111) and received in the first receiving slot (114). The inner core cover (12) is detachably fastened to the inner core body (11), and the second receiving slot (121) covers the connection head (13). The optical fiber slot (111) is provided to accommodate redundant optical fibers, so that the size of the space in which the core body (11) accommodates optical fibers is increased.
Patent WO-2019029528-A1 (WO)
Title: Method for configuring and determining pdcch resources, network side equipment and user terminal
Inventor: JI ZICHAO
IPC: H04L5/00
Filed: 2018-08-07
Abstract: Provided in the present disclosure are a method for configuring and determining Physical Downlink Control Channel (PDCCH) resources, a network side equipment and a user terminal. The method for configuring PDCCH resources is applied to the network side equipment and comprises: determining resource configuration information for a PDCCH, the resource configuration information at least comprising: the size of a Resource Element Group (REG) bundle, a manner of mapping Control Channel Elements (CCE) to an REG, and a manner of mapping an REG; configuring PDCCH resources according to the resource configuration information, and sending the resource configuration information to a user terminal.
Patent WO-2019029652-A1 (WO)
Title: System and method for sidelink feedback
Inventor: DESAI VIPUL
IPC: H04W4/40
Filed: 2018-08-10
Abstract: In certain embodiments, a method includes, by a first mobile device, obtaining a data packet and determining, from a first set of resources, control resources for transmitting scheduling information associated with the data packet. The control resources include a physical sidelink control channel (PSCCH). The method includes determining, by the first mobile device from a second set of resources, acknowledgement (ACK) /negative acknowledgement (NACK) resources associated with the data packet and related to the control resources. The scheduling information includes transmission information for transmitting the data packet and an indication of the ACK/NACK resources. The method includes transmitting, by the first mobile device to a second mobile device, the scheduling information on the control resources and the data packet on a set of resources indicated by the transmission information and listening, by the first mobile device, for an ACK/NACK transmitted by the second mobile device on the ACK/NACK resources.
Patent WO-2020037559-A1 (WO)
Inventor: WANG XIAOZHONG
IPC: G01L25/00
Filed: 2018-08-22
Abstract: 一种砝码加载装置，包括：底座（21）；内圈砝码平台（22）、中圈砝码平台（23）及外圈砝码平台（24）；砝码吊盘（14）；内圈砝码驱动组件（30）、中圈砝码驱动组件（40）及外圈砝码驱动组件（50），内圈砝码驱动组件（30）设置为驱动内圈砝码平台（22）上升；中圈砝码驱动组件（40）设置为驱动中圈砝码平台（23）上升，外圈砝码驱动组件（50）设置为驱动外圈砝码平台（24）上升。
Patent WO-2019218579-A1 (WO)
Title: Method for preparing anthocyanidin-containing potato rice noodle from raw potato
Inventor: DENG YINGYI
IPC: A23L7/10
Filed: 2018-09-30
Abstract: A method for preparing anthocyanidin-containing potato rice noodle from raw potato. The finished potato rice noodle product is made from the following components: 25-40% raw Guicai potato, 15-30% fresh purple sweet potato, and 30-60% soaked and drained rice; The processing step comprises: (1) soaking and draining the rice, and grinding same into rice flour; (2) grinding the purple sweet potato into purple sweet potato slurry; (3) washing and peeling the potato, dividing same into two parts, and grinding one part into potato slurry; steaming and mashing the other part into potato mash; (4) mixing the raw materials above; (5) extruding the mixture into semi-finished rice noodle, the extrusion temperature being 105-115°C; (6) introducing steam in a baking room for 10-20 minutes; (7) shaping; and (8) performing drying at a low temperature.
Patent WO-2020077491-A1 (WO)
Title: Apparatus and method for processing a fluid zone
Inventor: XIAO ZHEN
IPC: G01P5/20
Filed: 2018-10-15
Abstract: An apparatus（100） comprises at least one processor（110,210,530,550,385） and at least one memory（120,220）including computer program code. The memory（120,220） and the processor（110,210,530,550,385） are configured to, in respect of a ground-supported or liquid-supported body（401,411） travelling or to travel through a fluid, receive a determined magnitude and direction of a current within a forthcoming fluid zone（410,420）, the magnitude and direction of the current determined from particulates suspended in the forthcoming fluid zone（410,420）, and process the determined magnitude and direction of the current to provide for at least one of: a change in one or more fluid dynamical properties of the body（401,411）, or navigation control of the body（401,411）.