All the target compounds were detected in the vehicularexhaust.
汽车尾气中能检测到所有的目标化合物。
2
Vehicularexhaust is one of the most important sources in the atmosphere.
汽车尾气是大气中羰基化合物的主要来源之一。
3
Therefore, vehicularexhaust was the primary source in autumn and winter while both vehicularexhaust and photochemical reactions were the major sources in summer.