viewing system

例句：

1. 1. The company has implemented a new viewing system to improve efficiency.
   该公司已经实施了一个新的观看系统来提高效率。
2. 2.The security team uses a sophisticated monitoring system to keep an eye on the perimeter.
   安全团队使用一个复杂的监控系统来监视外围区域。
3. 3. The police are using a viewing system to track down fugitives.
   警方正在使用一个观看系统来追踪逃犯。