因此，建立一个高效、快捷、安全的环境在线监测网络十分必要。

Therefore, it is necessary to establish an efficient, fast and reliable environment monitoring network.

youdao

因此，建立一个高效、快捷、安全的环境在线监测网络十分必要。

Therefore, it is necessary to establish an efficient, fast and reliable environment monitoring network.

youdao