monochromatic radiation meaning in English

单色辐射
单色光辐射

The material must be sensitized for the monochromatic radiation of the laser .
此材料必须对该激光器的单色辐射敏感。
Phenomenon of the change in velocity of propagation of monochromatic radiations in a medium as a function of the frequency of these radiations
在介质中传播的单色光改变其传输速度的现象，并由该辐射的频率所决定的。
" all photons in a monochromatic radiation of a different frequency are the same , but they are different from the photons in radiation of a different freqency .
所有单色光中的光子，不论频率，都是一样的，但是不同频率的射线中，光子是不同的。。。