黄色视频免费在线看片,日本精品国产熟女诱惑视频,h色视频网站在线观看,日韩影片在线观看,午夜又黄 又爽,999久久久免费精品国产18,国产视频91在线,日韩乱轮高清免费视频

The scheme is a solution that combines terrestrial digital television broadcasting system and emergency broadcasting system. It has the characteristics of collecting, processing and compiling emergency information. By means of DTMB and Internet, the broadcast terminal is controlled to switch to emergency broadcast program, and the public receives emergency information in multimedia mode, such as image, text, sound and so on at any time and place. Meet the audience to receive emergency information accessibility. In accordance with the national emergency related standards, and weather, three prevention, public security departments such as seamless docking, for emergency command information to provide a safe, rapid and accurate distribution channels, improve the government emergency response capability of emergency.