Abstract: Provided are a benzimidazole compound as represented by formula (I) or a salt thereof, a preparation method therefor, and the use thereof. The benzimidazole compound or the salt thereof has excellent insecticidal and acaricidal effects, and can display acaricidal effects especially when same is used at a low concentration.

Abstract: The invention belongs to the technical field of pesticides and specifically relates to an aryl sulfide containing a benzylamine structure, a synthesis method therefor, and an application thereof. The aryl sulfide is denoted as compound I. Also provided is an agriculturally acceptable salt of the aryl sulfide. The compound represented by formula I shows excellent effects on various harmful organisms, especially spider mites represented by Tetranychus cinnabarinus, Tetranychus urticae, Tetranychus Kanzawai Kishida, Panonychus citri, etc., and can be used for controlling all kinds of harmful mites.

Abstract: A circuit-switch streaming service (CSS) system includes a circuit-switch streaming service center (CSSC), and a video interworking gateway (VIG). The system also includes an application server (AS), and the AS is connected to the CSSC for initiating a video call command to the CSSC; the CSSC identifies the video call command initiated by the AS, establishes the connection with the called terminal through the gateway based on the command, and transmits the streaming content specified by the AS to the called terminal. The invention also provides a corresponding realization method of the CSS. According to the CSS, the service of initiatively transmitting the streaming content for users can be realized and a good way for developing various video services by the operators is provided.