emission有没动词形式

emission没有动词形式。

The liberation of electrons from a hot wire is called thermionic emission .电子从热灯丝逸出，叫做热电子发射。

All data are completely integrated for emission summary purposes .所有的数据被全部汇集以达到累积排放量的目的。

The reason is a fundamental one associated with the mechanism of light emission .其基本原因涉及到光发射的机理。

All data are completely integrated for emission summary purposes .所有的数据被全部汇集，以达到累积排放量的目的。

This emission of heat is completely independent of temperature and pressure .这热的散发全然不受温度和压力的影响。

We are able to measure the sun'；s particle emission and map its magnetic field .我们可以测量太阳的粒子辐射和描记它的磁场。

J.r. frederick has carried on investigations in acoustic emission for several years .JR佛莱德里克从事声学研究已历多年。