stream surveillance

例句：

1. 1. The company uses stream surveillance to monitor its employees' online activities.
   该公司使用流媒体监控来监控员工的在线活动。
2. 2.The government implemented a new system for stream surveillance to improve public safety.
   政府实施了一种新的系统来进行流媒体监控，以提高公共安全。
3. 3.The police department is conducting a thorough investigation into the incident using stream surveillance technology.
   警察局正在使用流媒体监控技术对这一事件进行彻底的调查。