He launched an online effort to protest noise rules.

他在网上发起了一项抗议噪音规定的活动。

Cameras equipped with radar sound collectors identify loud vehicles in an effort to catch drivers violating noise rules.

配备雷达声音收集器的摄像头可以识别噪音较大的车辆，以捕捉违反噪音规定的司机。

The city's Department of Environmental Protection now has plans to expand the use of technology to enforce noise rules.

该市环境保护部现在计划扩大该技术的使用以执行噪音法规。