Emission control systems can capture pollutants, and electromagnetic monitoring can help detect seismic risks.
排放控制系统可以捕获污染物，电磁监测可以帮助检测地震风险。
英语百科
Vehicle emissions control
（重定向自Emission control system）
Vehicle emissions control is the study of reducing the motor vehicle emissions—emissions produced by motor vehicles, especially internal combustion engines.