Abstract: The present invention relates to an electronic flexible and rigid endoscope system and method applicable to general practice. The system comprises: a data acquisition system, configured to acquire image data of a lesion site, and a data processing system, configured to process the image data from the data acquisition system. The data acquisition system comprises a handle end and an endoscope end, the endoscope end comprises an imaging insertion end and an operating end, the imaging insertion end enters the lesion site to acquire images of the lesion site, the operating end controls the action of the imaging insertion end, the handle end sends the image data acquired by the endoscope end to the data processing system, the data processing system comprises a data receiving module and an image processing module, and the data receiving module receives the image data acquired by the data acquisition system.

Abstract: The present disclosure provides method and apparatus for an aggregated network. A method for an aggregated network, for first node of the aggregated network, the method including: receiving a neighboring message(s) via physical links of the first node, wherein the received neighboring message includes aggregated networking information of a second node(s) that transmits the received neighboring message, and wherein the aggregated networking information includes at least one of wireless networking information and wired networking information of the second node(s); and performing at least one of wired networking or wireless networking with the second node based on the received neighboring message.

Abstract: The present invention provides a two-component polyurethane composition, and belongs to the technical field of high polymer material. The two-component polyurethane composition comprises component A and component B. According to mass percent, the component A comprises 0-100% of high activity polyether polyol, 0-100% of cross-linking agent, 0-40% of chain extender, 0-50% of plasticizer and 0-5% of catalyst; according to mass percent, the component B comprises 0-100% of diphenylmethane diisocyanate and derivative thereof, and 0-50% of plasticizer; and the mass ratio of the component A to the component B is 1:0.1-1:3. The two-component polyurethane composition provided by the present invention has low heat release and excellent mechanical properties.

Abstract: A signal processing method and device are provided. At least two channel sound signals are acquired, and a frequency-domain audio signal corresponding to each channel sound signal is acquired; beam forming output signals of a beam group corresponding to an audio signal of each frequency point are acquired; an output direction of the beam group is acquired; and time-domain sound signals output after beam forming in the output direction are acquired.

Abstract: A signal processing method and device are provided. At least two channel sound signals are acquired, and a frequency-domain audio signal corresponding to each channel sound signal is acquired; beam forming output signals of a beam group corresponding to an audio signal of each frequency point are acquired; an output direction of the beam group is acquired; and time-domain sound signals output after beam forming in the output direction are acquired.