Emission tests of 15 vehicles are conducted on same chassis dynamometer with both VMAS and CVS sampling schemes respectively.

• 通过对15辆车采用相同的底盘测功机,分别用汽车排放总量分析系统(VMAS)和定容采样系统(CVS)进行瞬态采样测试,并对测试结果进行了分析。