中文摘要：

深度搜索一直被广泛利用，尤其是在公安系统下的网络安全与监察工作中。它作为涉警网络舆情控制系统中的一部分，为公安网监部门的网络舆情控制系统提供了巨大的帮助，使得舆情控制系统成为一个整合了监测、采集、分析和预警等关键技术的自动化系统。

英文摘要：

The depth of the search has been extensive use, especmlly in network security and monitoring work in the public security system. As part of the control system police network public opinion, public opinion, the control system for the departments of public security network monitoring network provides a tremendous help. The Public opinion control system has become a monitoring, collection, analysis, and the warning key technologies integrated into the automated system.