China began to implement new standards of vehicle emission earlier this year.
今年早些时候，中国就开始执行新的汽车排放标准。
Particles from vehicle emission are important air pollutants.
机动车排放颗粒物是重要的空气污染物。
The result basically showed the character and level of motor vehicle emission in Chinese city.
结果反映目前中国城市机动车污染物排放水平及各污染物排放特征。
There are two main ways to control vehicle emission pollutants.
控制汽车尾气排放主要有两个方面。
The chief measure for reducing in-use vehicle emission is I/M program.
在用机动车监测与维修制度（I/M计划）是减少机动车污染排放的最主要措施。
The chief measure for reducing in-use vehicle emission is I/M program.
在用机动车监测与维修制度（I/M计划）是减少机动车污染排放的最主要措施。
应用推荐