environmental monitoring and surveillance

例句：

1. 1. The government is conducting environmentalmonitoring to ensure the safety of the public.
   政府正在进行环境监测以确保公众的安全。
2. 2. Thecompany has implemented a comprehensive environmental monitoring systemto reduce pollution.
   该公司已经实施了一个全面的环境监测系统以减少污染。
3. 3. Environmental monitoringplays an important role in preventing natural disasters.
   环境监测在预防自然灾害中起着重要的作用。