研制了一种轻型汽车排气污染物模态分析系统。
A modal analysis system for light truck exhaust gas pollutant has been developed.
柴油机在不同运转工况下其排气污染物的排放量是不同的。
The emission of a diesel engine differs in different operating conditions.
通过数值计算的方法分析了城市街道峡谷内机动车排气污染物的扩散特性。
The dispersion characteristics of vehicular pollutant within street canyon were analyzed by using the method of numerical calculation.
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