emission monitoring

例句：

1. 1. The company isrequired to monitor emissions from its factories.
   该公司被要求对其工厂的排放进行监控。
2. 2.The government has launched a new program toimprove emission monitoring in urban areas.
   政府已经启动了一个新项目，以提高城市地区的排放监控。
3. 3. The study found that the use ofrenewable energy sources could significantly reduce emissions duringthe production process.
   研究发现，在生产过程中使用可再生能源可以显著减少排放。