Abstract: A rotorcraft and a connecting structure for an arm and an airframe of a rotorcraft are provided. The connecting structure includes: a fixed sleeve pipe configured to extend out from a circumferential edge of the airframe; an insertion head configured to be disposed to the first end of the arm and configured to be inserted into the fixed sleeve pipe; a lock sleeve configured to be fitted over the arm and having an insertion portion configured to be embedded into the insertion groove; and a lock nut configured to be fitted over the arm and configured for being in threaded connection with the fixed sleeve pipe.

Abstract: Provided are a method and control device for setting an operation route for an operation device, belonging to the field of agricultural crop protection operations. The method includes: displaying a map on a display interface, displaying target land plot information on the map, displaying a planned route for the target land plot on the map, and displaying a movable identifier on the map, the target land plot information including boundary information of the target land plot; in response to a drag operation by a user on the movable identifier, changing the position at which the movable identifier remains; according to the remain position, determining an operation route from the planned route.

Abstract: Embodiments of the present disclosure provide a method and an apparatus for identifying a key phrase in audio, a device and a computer readable storage medium. The method for identifying a key phrase in audio includes obtaining audio data to be identified. The method further includes identifying the key phrase in the audio data using a trained key phrase identification model. The key phrase identification model is trained based on first training data for identifying feature information of words in a first training text and second training data for identifying the key phrase in a second training text. In this way, embodiments of the present disclosure can accurately and efficiently identify key information in the audio data.

Abstract: An integrated multi-scale modeling platform is utilized to assess agricultural productivity and sustainability. The model is used to assess the environmental impacts of agricultural management from individual fields to watershed/basin to continental scales. In addition, an integrated irrigation system is developed using data and a machine-learning model that includes weather forecast and soil moisture simulation to determine an irrigation amount for farmers. Next, crop cover classification prediction can be established for an ongoing growing system using a machine learning or statistical model to predict the planted crop type in an area. Finally, a method of predicting key phenology dates of crops for individual field parcels, farms, or parts of a field parcel, in a growing season, can be established.

Abstract: Aspects of the subject disclosure may include, for example, a device comprising: a processing system including a processor; and a memory that stores executable instructions that, when executed by the processing system, perform operations, the operations comprising: identifying an occurrence of one or multiple phenology stages of a crop, resulting in identified occurrences; optimizing, based upon the identified occurrences, a yield model, wherein the yield model produces, after the optimizing, a first predicted yield for a first region; and generating a second predicted yield based upon the first predicted yield, wherein the second predicted yield covers a second region that is smaller than the first region. Additional embodiments are disclosed.

Abstract: A method, apparatus and system are for displaying measurement information. An embodiment of the method includes: obtaining a display instruction for displaying measurement information of at least one second transmitter; and displaying, after obtaining the display instruction, the measurement information of the at least one second transmitter on a display screen of the a first transmitter. The first transmitter and the at least one second transmitter perform data communication with a distributed I/O device according to a preconfigured data transmission path. Further, the measurement information of the at least one second transmitter is obtained by means of the distributed I/O device according to the preconfigured data transmission path. The embodiment of the method enables an operator to conveniently view the measurement information of the second transmitter on the first transmitter nearby, without viewing the information on a remote device manager or the second transmitter.

Abstract: A frame for an aircraft, and an aircraft. The frame includes: a body and a fixing assembly. The fixing assembly is provided on the body. The fixing assembly includes a fixing frame and a fastening frame spaced apart from each other in a first direction. The fixing frame has two first assembly slots spaced apart from each other in a second direction. Each first assembly slot is suitable for accommodating a first arm. The fastening frame includes two second assembly slots spaced apart from each other in the second direction. Each second assembly slot is suitable for accommodating a second arm. The first direction is perpendicular to the second direction. The structure of the frame is simplified, thereby facilitating assembly and disassembly of an arm of the aircraft.

Abstract: A text prediction method includes: obtaining at least two sentences by segmenting a text to be predicted; obtaining at least one sentence set by grouping the at least two sentences based on a number of Central Processing Unit (CPU) cores in a target device, in which the target device is a device configured to perform a prediction operation; assigning each sentence set to a corresponding CPU core of the target device, and predicting each sentence set sentence by sentence through the corresponding CPU core to obtain a prediction result of each sentence set; and determining a prediction result of the text to be predicted based on the prediction result of each sentence set.

Abstract: A plug connector includes an insulative plug housing with a plurality of plug contacts retained thereto. The plug housing forms a plug mating portion with a mating surface thereon. The plug contacts include front blade contacting sections extending beyond the mating surface and are arranged along the first direction with one another. Viewed along the first direction, the mating surface is curved with a bulged middle section. The receptacle connector includes a receptacle housing with a plurality of receptacle contacts retained thereto. The receptacle housing forms therein a mating cavity in which a receptacle mating portion extends along the mating direction wherein the receptacle mating portion forms a mating face behind which the receptacle contacts are located. During mating, the plug mating portion is snugly received within the mating cavity with the mating surface of the plug connector is spaced from the mating face of the receptacle connector.

Abstract: A flight control method and device of an Unmanned Aerial Vehicle (UAV), and a UAV, the method includes that: a flight track of the UAV is determined (101); a remote control signal sent by a remote control apparatus is received; the remote control signal is converted into a flight controlled quantity of the UAV; a flight adjustment controlled quantity of the UAV is generated according to the current location, the flight track and the flight controlled quantity, of the UAV; and a flight mission is executed according to an action indicated by the flight adjustment controlled quantity, as to enable the UAV to run on the flight track.

Abstract: Provided are an Unmanned Aerial Vehicle (UAV) operating method and device. The method includes that: mapping information of an operation object to be operated is acquired, the mapping information including a safe height, geographic position information and a spray radius, of the operation object; a flight height of the UAV is adjusted to the safe height, and the UAV flies, according to the safe height, to a position corresponding to the geographic position information; and at the position corresponding to the geographic position information, a spiral spraying operation is performed on the operation object based on the spray radius (103).

Abstract: An electrical connector assembly includes a first connector and a second connector mateable with each other wherein each of the first connector and the second connector has an insulative housing essentially composed of a bottom wall, a side wall and a pair of end walls wherein all the bottom wall and the side wall are rectangular while the end walls are right triangular. The first connector and he second connector are coupled with each other in a complementary manner with the corresponding hypotenuses of the right triangles confronting each other. A sealing member of a frame structure is located at an interface between the coupled edges of the housings in an oblique manner.

Abstract: This document discloses a communication system and method for unmanned aerial vehicle. The communication system includes at least one controller, at least one unmanned aerial vehicle and a mesh device. The controller, the unmanned aerial vehicle, and the mesh device serve as mesh nodes, respectively, and the mesh nodes communicate with each other through a mesh network. Technical solutions provided by the embodiments of the present disclosure may reduce transmission power of the controller, increase endurance time of the controller, and reduce an antenna alignment requirement. Therefore, difficulty of operation is reduced, network is flexibly organized, and functions of one controller to multiple unmanned aerial vehicles, multiple controllers to one manned aerial vehicle and multiple controllers to multiple unmanned aerial vehicles may be conveniently realized.

Abstract: A display device and a manufacturing method of the display device are provided. The display device includes a base substrate and a plurality of spacers on the base substrate; each of the plurality of spacers has an end facing away from the base substrate, and the end is provided with a sloping surface; and included angels between the sloping surfaces of the plurality of spacers and the base substrate are all acute angles or are all obtuse angles.

Abstract: An operating method and device of a plant-protection unmanned aerial vehicle are provided. The operating method includes that: a plant-protection unmanned aerial vehicle starts to decelerate when flying to a first preset position (M) of a first operating route (AB), so that a flight speed of the plant-protection unmanned aerial vehicle at an operating end position (B) of the first operating route (AB) is decelerated to be zero; the plant-protection unmanned aerial vehicle flies to an operating start position (C) of a second operating route (CD) in a translational manner at a preset angular speed; and the plant-protection unmanned aerial vehicle flies along the second operating route (CD), and an operating nozzle is maintained in an open state during a flight process of the plant-protection unmanned aerial vehicle.

Abstract: An electrical connector includes an insulative front housing, an insulative rear housing and a plurality of contacts. The front housing forms a mating cavity. The contact includes a contacting section extending into the mating cavity, a retaining section retained to the front housing, and a connecting section connected with the wire. The rear housing includes a front receiving space and a rear receiving space communicating with each other. The rear portion of the front housing is assembled into the front receiving space of the rear housing to have the connecting sections of the contacts exposed in the front receiving space. The rear receiving space receives the corresponding wires therein with corresponding opening to allow the wires to extend therethrough.

Abstract: An electrical connector assembly includes a plug connector and a receptacle connector. A plug connector includes an insulative plug housing and a plurality of blade type male contacts retained in the plug housing. Each of the blade type male contacts includes a contacting section composed of two opposite primary mating planes and two opposite side locking planes. Correspondingly, a receptacle connector includes an insulative receptacle housing and a plurality of clip type female contacts retained in the receptacle housing. Each of the clip type female contacts includes a pair of contacting portions sandwiching the two opposite primary mating planes of the corresponding blade type male contact therebetween in a first horizontal direction. A metallic blade type locking piece retained in the receptacle housing, includes a pair of locking arms sandwiching the two opposite side locking planes therebetween in a second horizontal direction perpendicular to the first horizontal direction.

Abstract: The present invention relates to pharmaceutical products comprising a combination of (i) a MET inhibitor and (ii) an EGFR inhibitor, or a pharmaceutically acceptable salt thereof, respectively, or a prodrug thereof, which are jointly active in the treatment of proliferative diseases, corresponding pharmaceutical formulations, uses, methods, processes, commercial packages and related invention embodiments.

Abstract: An electrical connector assembly includes a receptacle connector and a plug connector mateable with each other. Each of the receptacle connector and the plug connector defines a first mating face and a second mating face perpendicular to each other in response to mating along the front-to-back direction and the vertical direction. Each of the receptacle connector and the plug connector includes a plurality of contacts composed of a plurality of first contacts and a plurality of contact units alternately arranged with each other along the transverse direction perpendicular to both the front-to-back direction and the vertical direction. Each contact unit includes a second contact and a third contact wherein the second contact is closer to the second mating face than the third contact is while the third contact is closer to the first mating face than the second contact is.

Abstract: The present invention provides compounds of the formula: where R1, R2, R3, R4, R5, A, B, and Y are as described herein, pharmaceutically acceptable salts thereof, and methods of using these compounds and salts for treating patients for cancer.