Abstract: This application provides an object recognition method and apparatus, and a storage medium, and relates to the technical field of image recognition. The object recognition method includes: receiving an image of an object to be recognized; inputting the image of the object to be recognized into a pre-trained image feature extractor to obtain a first feature vector of the image of the object to be recognized; and determining category information of the object to be recognized according to the first feature vector of the image of the object to be recognized as well as image feature vectors in an image database, wherein the image database includes image information of a plurality of objects.

Abstract: Provided herein is a hydrodynamic focusing device, and a related method, that enables sample flow focusing in three-dimensions for detection, isolation and sorting of target species. The device includes a multi-channel inlet and multi-channel outlet structure either side of a detection chamber. Independent control of the flow in these multiple inlets and outlets creates a sheath flow that can be controlled and steered at will.

Abstract: A sensor (1) for acquiring sensing data in a disconnected state, an intelligent device (2), and a method. The sensor (1) comprises: a sensing module (11), used for detecting sensing data; a sensing data encapsulation module (12), used for encapsulating the sensing data into a valid payload data segment of a connectable non-directional Bluetooth broadcast data packet or a non-connectable non-directional Bluetooth broadcast data packet that conforms to the Bluetooth 4.0 protocol; and a Bluetooth sending module (13), used for broadcasting the connectable non-directional Bluetooth broadcast data packet or the non-connectable non-directional Bluetooth broadcast data packet. The scheme effectively solves the technical problems of low transmission efficiency and poor user experience due to one-by-one connection and data transmission in the prior art.