baber/WOPTO huggingface dataset:
Patent WO-2019019968-A1 (WO)
Title: Displacement control method and device for virtual character, and storage medium
Inventor: SHEN CHAO
IPC: G06F3/01
Filed: 2018-07-23
Abstract: Provided are a displacement control method and device for a virtual character, and a storage medium. The method comprises: in a virtual reality scene, receiving a first instruction, wherein the first instruction is used for instructing a virtual character to generate a target displacement from a first position (S202); after receiving the first instruction, determining a second position distanced by the target displacement from the first position (S204); and controlling the virtual character so that same vanishes in the first position, and controlling the virtual character so that same appears in the second position, wherein the virtual character never appears between the first position and the second position (S206).
Patent WO-2019085565-A1 (WO)
Inventor: ZHU WEIWEI
IPC: E04B1/82
Filed: 2018-08-02
Abstract: 一种利用已有建筑墙体的室内电话亭，包括墙体组件（5）及连接在墙体组件（5）上的顶部组件（2）、底部组件（3）和门系统（4），墙体组件（5）、顶部组件（2）、底部组件（3）和门系统（4）连接后留有一个或多面开口，开口处通过隔音消音装置（7）连接至建筑墙体（1）而形成封闭的室内电话亭。该室内电话亭减少了墙体组件的数量，节省了生产成本，降低了重量，使室内电话亭与建筑物墙壁的连接处更紧密，更便于对室内电话亭进行外观设计，便于增强室内电话亭与现有室内装修的一体感，更加美观。
Patent WO-2020037598-A1 (WO)
Title: Interactive method and system for bite adjustment
Inventor: ZHOU YU
IPC: A61C19/05
Filed: 2018-08-23
Abstract: A method and an apparatus of bite registration are provided. After first aligning opposing portions of an upper jaw 3D model and a lower jaw 3D model, displaying one of the first aligned jaw models where an occlusal surface of the selected first aligned jaw model is viewable. A plurality of contact points are selected on the viewable occlusal surface. Then, the 3D teeth models of the upper jaw and the lower jaw are re-aligned, where the re-alignment is based on a distance from the contact points to an occlusal surface of the opposing jaw model.
Patent WO-2020042083-A1 (WO)
Title: 图像坏点校正方法及设备、存储介质
Inventor: HE JIAN
IPC: H04N5/357
Filed: 2018-08-30
Abstract: 一种图像坏点校正方法，包括：获取第一曝光时长，所述第一曝光时长为第一图像的曝光时长（S100）；根据所述第一曝光时长从预设的至少两个坏点坐标表中确定目标坏点坐标表，其中，所述预设的至少两个坏点坐标表包括在不同的曝光参数下标定出的坏点坐标表（S200）；根据所述目标坏点坐标表对所述第一图像进行坏点校正（S300）。所述方法可以防止校正明显过度或校正明显不足的问题。
Patent WO-2020019470-A1 (WO)
Inventor: HE PENG
IPC: H01L29/786
Filed: 2018-09-26
Abstract: 一种多晶硅薄膜和薄膜晶体管的制备方法，多晶硅薄膜的制备方法包括：提供基板（401），在基板上形成非晶硅薄膜（402）；将非晶硅薄膜置于空气中进行氧化，以在非晶硅薄膜上形成氧化膜（403）；利用氢氟酸对氧化膜进行刻蚀，刻蚀后保留部分氧化膜；对非晶硅薄膜进行准分子激光处理，形成多晶硅薄膜（404）。通过该制备方法，能够降低多晶硅薄膜表面的粗糙度。
Patent WO-2019080805-A1 (WO)
Title: Control apparatus, camera apparatus, flying object, control method and program
Inventor: HONJO KENICHI
IPC: G05D1/04
Filed: 2018-10-22
Abstract: According to different camera environments of a camera apparatus, sometimes it is unnecessary to drive a focusing lens within the whole drivable range of the focusing lens. A control apparatus controls the driving of the focusing lens of the camera apparatus. The control apparatus may be provided with a setting portion, and same sets the driving range of the focusing lens based on the height of the camera apparatus from a reference position. The control apparatus may be provided with a control portion, and same controls the driving of the focusing lens within the driving range of the focusing lens.
Patent WO-2020000805-A1 (WO)
Inventor: LANG YEXIN
IPC: G06Q40/04
Filed: 2018-10-23
Abstract: La présente invention concerne un procédé et un appareil de gestion d'actifs, un dispositif informatique et un support d'informations lisible. Dans les modes de réalisation de la présente invention, selon un contrat de transfert d'actifs, un contrat intelligent numérique est généré sur une chaîne de blocs, de telle sorte que lorsque des conditions de transfert d'actifs du contrat intelligent sont satisfaites, une détection d'anomalie d'état d'actifs est effectuée sur un utilisateur qui emprunte des actifs, et ainsi, si l'état des actifs de l'utilisateur empruntant des actifs est anormal, l'utilisateur empruntant des actifs est marqué comme étant anormal, et une diffusion à l'échelle du réseau entier est effectuée sur la chaîne de blocs. Par conséquent, la solution technique fournie dans les modes de réalisation de la présente invention peut dans une certaine mesure réduire le risque de falsification malveillante de données d'actifs, et améliorer la sécurité des actifs.
Patent WO-2019109761-A1 (WO)
Title: 一种基因枪介导的杂交鹅掌楸转化体系的构建方法
Inventor: CHEN JINHUI
IPC: A01H6/00
Filed: 2018-10-31
Abstract: 提供了一种基因枪介导的杂交鹅掌楸转化体系的构建方法，包括：1)取杂交鹅掌楸胚性愈伤组织，进行高渗处理；2)提取质粒，制备金粉，制备微弹；3)基因枪轰击；4)将愈伤组织转移至恢复培养基进行暗恢复培养；5)体胚诱导培养，长出体胚后进行光照培养，长出小苗后接种于生根培养基进行筛选培养；6)分子检测，获得杂交鹅掌楸转化体系。
Patent WO-2020087503-A1 (WO)
Inventor: CHENG XIANWEI
IPC: D06M13/292
Filed: 2018-11-02
Abstract: Disclosed is a soluble polyelectrolyte complex and a method for the flame-retardant finishing of protein fibers using the soluble polyelectrolyte complex, wherein the present invention belongs to the technical field of the functional finishing of textiles. In the present invention, a soluble polyelectrolyte complex flame-retardant system is prepared from phytic acid and chitosan under strongly acidic conditions, and after being treated by means of a buffer solution, the phytic acid and the chitosan can be bonded to the surface of the protein fibers via ionic bonds and are attached to the surface of the protein fibers. The phytic acid and chitosan used as flame-retardant ingredients in the present invention are both natural products, there are abundant sources for the raw materials thereof, and the prepared polyelectrolyte complex is an environmentally friendly flame-retardant system. The present invention has a simple process, a short flow path and a low economic cost, and the prepared flame-retardant protein fibers have an excellent flame retardancy, a good water washing resistance and broad application prospects.
Patent WO-2020000850-A1 (WO)
Inventor: LIN WEI
IPC: C04B41/89
Filed: 2018-11-06
Abstract: La présente invention concerne un carreau rustique résistant à l'usure de surface souple de 4 à 8 degrés et facile à nettoyer, le carreau rustique comprenant, de bas en haut : un corps vert, une couche de revêtement de sol ayant une brillance de 2 à 3 degrés, une couche d'impression et une couche de glaçure de couverture, la couche de glaçure de couverture comprenant une fritte I, une glaçure transparente mate et des granulés résistants à l'usure ; et la couche de glaçure de couverture étant traitée à l'aide de multiples procédés de polissage.
Patent WO-2020010780-A1 (WO)
Title: Air conditioner indoor unit and control method
Inventor: CAI YANFANG
IPC: F24F1/00
Filed: 2018-11-26
Abstract: Disclosed are an air conditioner indoor unit (P) and a control method therefor. The indoor unit (P) comprises a machine enclosure (1), a humidifying structure (N) and a fresh air structure (M); the humidifying structure (N) includes a water tank (14), a wet film (15) and an electrolytic water device (16); the water tank (14) is placed in a water pan (13), close to an air outlet (1-2), and the water tank (14) is detachably connected with the machine enclosure (1); the wet film (15) and the electrolytic water device (16) are detachably fixed in the water tank (14) respectively; the fresh air structure (M) is disposed at one end of the machine enclosure (1); and a fresh air ventilator (3) and a purifying module (4) are disposed in a fresh air flue of the fresh air structure (M). According to the present invention, the fresh air function, the humidifying function and the dehumidification function are controlled in a unified way; the operation is simple and convenient, and the comfort level of indoor air can be qualified without manual operation of a user; thus, the user experience is improved.
Patent WO-2020107431-A1 (WO)
Title: 介质谐振器及介质滤波器
Inventor: ZHOU PUKE
IPC: H01P7/10
Filed: 2018-11-30
Abstract: 本申请实施例公开了一种介质谐振器和应用其的介质滤波器，介质谐振器包括包括金属腔体和介质柱，该介质柱位于金属腔体内，金属腔体包括相对设置的底部和顶盖，同时，该介质谐振器还包括调谐件和金属部，调谐件穿过顶盖伸入金属腔体内并与介质柱耦合，以调节介质谐振器的频率与耦合，介质柱的上端面固连至顶盖且与顶盖之间呈短路状态，介质柱的下端面固连金属部，金属部面对底部且与底部之间呈开路状态。本申请实施例提供的介质谐振器具有小型化、高性能的优势。
Patent WO-2020062615-A1 (WO)
Title: 显示面板的伽马值调节方法、装置及显示设备
Inventor: JI FEILIN
IPC: G09G3/36
Filed: 2018-12-18
Abstract: 一种显示面板的伽马值调节方法、装置及显示设备，其中，伽马值调节方法包括：在显示面板进行伽马值调整后，获取调整后的伽马值以及面板信息（S10），根据伽马值以及面板信息生成预设格式的调整文件（S20），将调整文件存储至预设的存储路径，以在伽马值判等时由存储路径提取调整文件进行判等（S30）。
Patent WO-2020056963-A1 (WO)
Inventor: CHENG ZHONGFU
IPC: F16H57/023
Filed: 2018-12-21
Abstract: A speed reducer and a robot. The speed reducer is provided between a first part and a second part of the robot, and comprises a rigid wheel (2), a flexible wheel (1), and a flexible bearing (3); the rigid wheel (2) is provided with a first matching position, and an inner wheel tooth set (21) is provided on the inner side of the rigid wheel (2); a second matching position (10) is provided on a circumferential wall (11) of the flexible wheel (1); the circumferential wall (11) is provided with an outer circumferential surface (112) and an inner circumferential surface (111); the outer circumferential surface (112) is provided with an outer wheel tooth set (113); the flexible bearing (3) is located on the second matching position (10); the flexible wheel (1) is located on the first matching position; the outer wheel tooth set (113) is engaged with the inner wheel tooth set (21); in the axial direction of the rigid wheel (2), the tooth top (113a) of the outer wheel tooth set (113) is provided with a first length (d1), and the tooth root (113b) of the outer wheel tooth set (113) is provided with a second length (d2); the tooth top of the inner wheel tooth set (21) is provided with a third length (d3); the flexible bearing (3) is provided with a fourth length (d4); the second length (d2) and the third length (d3) are both greater than the first length (d1), and the fourth length (d4) is greater than the second length (d2). A position, where the outer wheel tooth set (113) is located, of the circumferential wall (11) is sufficiently expanded; expanding and deforming of the circumferential wall in the circumferential direction are uniform; the tooth sets are sufficient in engaging and contact; the transmission error is effectively reduced; and the service life of the flexible bearing (3) is prolonged.
Patent WO-2019134569-A1 (WO)
Inventor: DAI WENYUAN
IPC: G06F17/18
Filed: 2018-12-26
Abstract: L'invention concerne un procédé d'interprétation visuelle et un dispositif pour un modèle de régression logistique, se rapportant au domaine de la technologie informatique. Le procédé consiste à : recevoir une demande d'interprétation pour un modèle de régression logistique (S11) ; obtenir, selon la demande d'interprétation, des paramètres de modèle du modèle de régression logistique, les paramètres de modèle comprenant chaque caractéristique dans le modèle de régression logistique et une valeur de poids de chaque caractéristique (S12) ; agréger chaque caractéristique dans les paramètres de modèle obtenus selon un nom de caractéristique (S13) ; obtenir des statistiques de caractéristiques pour chaque nom de caractéristique pour obtenir des informations de statistiques de caractéristiques pour chaque nom de caractéristique, les informations de statistiques de caractéristiques indiquant des informations de distribution de valeurs de poids de chaque caractéristique sous le même nom de caractéristique et/ou des informations de dimension de chaque caractéristique sous le même nom de caractéristique (S14) ; et afficher le nom de caractéristique et les informations de statistiques de caractéristique correspondantes à l'aide d'une interface graphique (S15).
Patent WO-2020133443-A1 (WO)
Inventor: BAO CHUNGUI
IPC: H01L27/32
Filed: 2018-12-29
Abstract: 一种柔性触控传感器及其制作方法、触控装置，该制作方法包括：在导电薄膜（31）上设置保护层薄膜（32）；将盖板（33）盖设于保护层薄膜（32）上；在保护层薄膜（32）上开设至少一个开口（321）；在开口（321）处，将导电薄膜（31）和保护层薄膜（32）沿背向盖板（33）的方向弯曲，并密封弯曲后的开口（321）。该制作方法在将导电薄膜（31）和保护层薄膜（32）沿背向盖板（33）的方向弯曲时，事先在保护层薄膜（32）上开设开口（321），这样导电薄膜（31）在弯曲时，其保护层薄膜（32）内应力分散，可避免导电薄膜（31）与盖板（33）间的分层。
Patent WO-2019137278-A1 (WO)
Title: Crank train for realizing miller cycle and control method
Inventor: TIAN WEI
IPC: F02B75/04
Filed: 2019-01-02
Abstract: A crank train for realizing a Miller cycle and a control method. A driving oil passage (6) and a locking oil passage (7) are provided in a crankshaft (2). An eccentric connecting rod bushing (4) is arranged on a connecting rod journal (14) of the crankshaft (2). A driving gear (b3) meshing with an outer-meshing gear ring (15) of the eccentric connecting rod bushing via an idle gear (12) is mounted inside a crankshaft counter weight (9). A planetary gear (c3) is mounted in a hollow driving gear shaft (b2). The hollow driving gear shaft (b2) is provided with a locking pin (10) for locking the same to the crankshaft counter weight (9) or to a planetary gear shaft (c4). The hollow driving gear shaft (b2) and the planetary gear shaft (c4) are locked when hydraulic oil is fed into the driving oil passage (6), such that the planetary gear shaft (c4) transmits motion to the driving gear (b3), then the idle gear (12) transmits the motion to the outer-meshing gear ring (15) of an eccentric connecting rod bushing, and the eccentric connecting rod bushing (4) rotates around the connecting rod journal (14) of the crankshaft, thereby changing the compression ratio of an engine. Motion of the crank train is synchronized with rotation of the engine, thereby achieving compression ratio adjustment within one operation stroke of the engine, and realizing the Miller cycle. The invention has a large control margin and flexible control.
Patent WO-2020154852-A1 (WO)
Inventor: CHEN GUIYING
IPC: A23L25/00
Filed: 2019-01-28
Abstract: 一种基于九蒸九晒的芝麻蒸晒程度控制方法，将盛放有芝麻样料的芝麻托盘放入蒸柜，以使蒸柜对芝麻托盘的N个子区域分别进行蒸煮；在蒸柜中蒸煮完成后，将芝麻托盘传送至外界进行日晒；通过N个分子结构检测装置，收集N个子区域的分子结构检测结果，并根据分子结构检测结果，得出每个子区域的芝麻样料蒸晒程度；当第i个子区域的芝麻样料蒸煮程度达到第一预设标准时，关闭蒸柜中对第i个子区域的蒸煮功能；当第i个子区域的芝麻样料日晒程度达到第二预设标准时，停止对第i个子区域的日晒。通过本控制方法能够在一定范围内，保证芝麻托盘中芝麻样料蒸晒程度的一致性，减少芝麻成品之间的差异。
Patent WO-2019154253-A1 (WO)
Title: Powder discharging structure and powder cylinder
Inventor: CHEN BO
IPC: G03G15/08
Filed: 2019-01-31
Abstract: A powder discharging structure (20), comprising: a discharging front cover (400) communicated with a powder bottle (10) containing powder, a powder outlet (411) being formed on the discharging front cover (400); a powder shift rod (700) rotationally mounted in the discharging front cover (400), a plurality of blades (750) being provided on the powder shift rod (700); and a powder discharging elastic member (500) having a fixed end (510) and a free end (530) corresponding to the fixed end (510), the fixed end (510) being fixed in the discharging front cover (400), and the powder discharging elastic member (500) extending to the periphery of the powder shift rod (700) and extending into a circle track formed by the rotation of the blades (750). The blades (750) are capable of rotating together with the powder shift rod (700), the powder discharged out of the powder bottle (10) is scraped to one side of the powder discharging elastic member (500); with the rotation of the blades (750), the blades (750) press against the powder discharging elastic member (500), so that the free end (530) of the powder discharging elastic member (500) deforms along the centrifugal direction of the outer end edge of each blade (750); when the blades (750) rotate and disengage from the powder discharging elastic member (500), the free end (530) of the powder discharging elastic member (500) rebounds under the action of its elasticity, so as to beat the powder out of the powder outlet (411).
Patent WO-2019149252-A1 (WO)
Inventor: CHEN LIKANG
IPC: H05B6/64
Filed: 2019-01-31
Abstract: 本申请提供了一种微波烹饪设备、控制方法和存储介质，其中，微波烹饪设备包括：壳体，壳体内能够围设出加热腔；固态微波源，设置于壳体上，固态微波源用于发射第一可变功率微波；天线，连接至固态微波源，天线用于将第一可变功率微波馈入加热腔内；控制器，连接至固态微波源，控制器用于控制固态微波源工作，并调节第一可变功率微波。通过本申请的技术方案，一方面，针对密封性的食材，加热效果更好，另一方面，由于固态微波源比磁控管的功率小很多，对应的，在执行解冻操作时，不会因为功率过大导致待解冻食材局部吸热过大，以造成由于局部过热产生局部变熟的现象，从而使解冻的效果也更好。
Patent WO-2020177043-A1 (WO)
Title: Integrated sand mixer and sand mixing method
Inventor: XU LEILEI
IPC: B28C7/16
Filed: 2019-03-01
Abstract: Disclosed is an integrated sand mixer, realized in the form of a vane agitating type sand mixer. The sand mixer has a sand dosing device and an agitating drum, wherein pre-mixing vanes (7) are arranged in the sand dosing device, and a pre-mixing power mechanism (8) for driving the pre-mixing vanes (7) is provided, such that the sand dosing device constitutes a pre-mixing drum (3); a powder material inlet and a liquid material inlet are respectively provided on the agitating drum, and an outlet of the pre-mixing drum (3) is connected to the powder material inlet of the agitating drum by means of a valve, such that the agitating drum constitutes a final mixing drum (2); a dosed raw sand addition, a dosed powder auxiliary material addition, and a raw sand and powder auxiliary material pre-mixing operation are carried out in the pre-mixing drum (3); the raw sand, pre-mixed with the powder auxiliary material, and a liquid resin material enter the final mixing drum (2) in specific quantities, agitating vanes (6) are driven to rotate, and the required molding sand is obtained after being uniformly mixed; and when the final mixing drum (2) carries out an agitating operation, a dosed raw sand addition, a dosed powder auxiliary material addition, and a raw sand and powder auxiliary material pre-mixing operation are carried out synchronously for the next cycle in the pre-mixing drum (3). Further disclosed is an integrated sand mixing method. By means of the sand mixer and the sand mixing method, two-stage sand mixing is realized without adding a container; two units can work at the same time, such that sand mixing time is shortened greatly; and relationships between mixing time, sand mixing temperature rise and uniformity can be adjusted at will.
Patent WO-2019166021-A1 (WO)
Inventor: LIU TIELONG
IPC: A61F2/30
Filed: 2019-03-04
Abstract: An artificial joint prosthesis having biomimetic functions, belonging to the technical field of medical equipment, and consisting of a porous layer, a dense layer and an embedding layer. The artificial joint prosthesis forms an articular cartilage surface by using a specific nano-hydroxyapatite/polyamide 66 material combined with a special design of a porous layer, a dense layer and an embedding layer. For example, designing a pore structure in the porous layer and implanting a chondrocyte layer on the porous structure, so as to implement movement functions. For another example, by adding a macroporous structure in the dense layer to fill the autologous bone tissue, the artificial joint prosthesis "grows" with the surrounding bone tissue into an integral whole. Thus, the artificial joint prosthesis having biomimetic functions is prepared, and complications caused by loosening and sinking of the prosthesis are reduced, thereby extending the service life of the artificial joint.
Patent WO-2019214328-A1 (WO)
Title: Application of larp7 gene in cancer diagnosis and treatment
Inventor: ZHANG BING
IPC: A61P35/00
Filed: 2019-03-06
Abstract: Disclosed in the present invention is an application of an LARP7 gene in cancer diagnosis and treatment, specifically relating to uses of the LARP7 gene in preparation of a cancer treatment drug and a drug that increases the sensitivity of cancers to radiotherapy and chemotherapy, and uses of the LARP7 gene in preparation of an early screening or cancer diagnosis kit and a cancer patient efficacy prediction kit.
Patent WO-2020001087-A1 (WO)
Title: 显示基板、其显示方法、显示装置及高精度金属掩模板
Inventor: TAN WENJING
IPC: H04M1/02
Filed: 2019-03-20
Abstract: 一种显示基板、其显示方法、显示装置及高精度金属掩模板，显示基板的显示区域包括第一显示子区域（A1）和第二显示子区域（A2）。其中，第二显示子区域内（A2）设置有均匀分布的多个子像素，第一显示子区域（A1）内的像素分布密度大于第二显示子区域（A2）内的像素分布密度。因此可以将摄像头、传感器、听筒等元件设置在第二显示子区域（A2）内。
Patent WO-2020001095-A1 (WO)
Inventor: XU HONGJI
IPC: G06Q10/06
Filed: 2019-03-23
Abstract: The present invention relates to a context uncertainty elimination system based on a hierarchical comprehensive quality index (QoX), and a working method therefor. The system comprises a context collection layer, a context processing layer and an application layer. In the present invention, the quality indexes such as the collection equipment quality, the context information quality, the system service quality and the user experience quality are used as the hierarchical comprehensive quality indexes (QoX), and are integrated into a context awareness system to provide an effective method for context uncertainty elimination in context-aware computing; furthermore, a user and a system can actively adjust various preset threshold values and rules according to the needs thereof and changes in environmental conditions, which makes the system more reliable and adaptable.
Patent WO-2019228113-A1 (WO)
Title: Backlight module and display device
Inventor: XU JIAN
IPC: G02F1/13357
Filed: 2019-04-26
Abstract: A backlight module and a display device. The backlight module (10) comprises: a backplane (101), an optical film (102), a light guide plate (103), and a fixing component (104); the optical film (102) is disposed at the light exit side of the light guide plate (103); the backplane (101) comprises a bottom plate (1011) and a side plate (1012) located at at least one end of the bottom plate (1011); the light guide plate (103) is disposed between the optical film (102) and the bottom plate (1011); the fixing component (104) comprises a first fixing sub-component (1041) disposed on the side plate (1012) and a second fixing sub-component (1042) disposed on the optical film (102); the first fixing sub-component (1041) is clipped to the second fixing sub-component (1042).
Patent WO-2020220280-A1 (WO)
Inventor: LIU JUN
IPC: H01L27/1157
Filed: 2019-04-30
Abstract: Three-dimensional (3D) memory devices with embedded dynamic random-access memory (DRAM) and methods for forming the 3D memory devices are disclosed. A 3D memory device (300) includes a first semiconductor structure (302) including a peripheral circuit (312), an array of embedded DRAM cells (314), and a first bonding layer (324) including a plurality of first bonding contacts (326). The 3D memory device also further includes a second semiconductor structure (304) including an array of 3D NAND memory strings (338) and a second bonding layer (328) including a plurality of second bonding contacts (330). The 3D memory device (300) further includes a bonding interface (306) between the first bonding layer (324) and the second bonding layer (328). The first bonding contacts (324) are in contact with the second bonding contacts (328) at the bonding interface (306).
Patent WO-2020001160-A1 (WO)
Title: 一种适用于机器人手术的牙科手机
Inventor: WANG LIFENG
IPC: A61C3/02
Filed: 2019-05-05
Abstract: 一种适用于机器人手术的牙科手机，包括手柄（1）、机头（2）和钻头（3），机头（1）的一端与手柄（2）连接，另一端设有钻头（3），机头（1）的轴线与手柄（2）的轴线共线，钻头（3）的轴线与机头（2）的轴线垂直。该牙科手机的机头与手柄同轴设置，同时使钻头的轴线与机头的轴线垂直，可减少钻头末端位置坐标计算公式中的变量，从而降低钻头末端的定位难度。通过机头与手柄同轴设置，可降低整个牙科手柄的加工难度。
Patent WO-2019228210-A1 (WO)
Title: Pharmaceutical use of composition comprising radix astragali, radix puerariae, and herba erigerontis
Inventor: BAI LIXI
IPC: A61P3/10
Filed: 2019-05-20
Abstract: Provided is a use of a composition comprising Radix Astragali, Radix Puerariae, and Herba Erigerontis in preparing a drug for treating or preventing macular edema in an individual.