emission criteria

• 排放标准

emission criteria的用法和样例：

例句

1. One set of provisions tightens emission standards.
   一套使排放标准更加严格的规定。
2. Cleaner fuel and tighter emission standards were introduced in April 1997 to further reduce pollution from vehicles.
   当局在一九九七年四月引进更严格的燃料和废气排放标准，进一步减低车辆造成的污染。