At present some research institutions in the world are exploring the ways of real-time dynamic testing, and domestic transient emissions research lag the developed countries, so it is extremely important to research exhaust emissions and test technologies of transient process.
国内、外的一些研究机构目前正在探寻实时动态检测汽油机排放的方法,国内的起步要更晚,因此研究瞬态过程的排放及其测试技术具有重要意义。
参考来源 - 汽油机瞬态排放间接测量的理论与实践·2,447,543篇论文数据，部分数据来源于NoteExpress
论述了用多重网格法研究多缸内燃机的进气瞬态过程。
The study on transient performance of intake charge in gasoline engine through multi net method is presented.
应用表明：系统有较高的测量精度，特别适用于瞬态过程的光谱分析。
Practice shows that this system has a high measuring distinguishability, and is especially suit for instantaneous process spectrum analyses.
派克方程是一种最常用的有效的对水轮发电机瞬态过程做出准确分析的方法。
Park Equation is a kind of the most general and very effective tool in analyzing the transient process of hydro - generator.
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