| 释义 |
electron beams短语⁷²⁶⁹⁷
基本英英例句
阴极线原型electronbeam的复数
名词 electron beam:
a group of nearly parallel lines of electromagnetic radiation Electron beams and X- ray accelerators can both be used to irradiate various shapes and sizes of food, although X- rays are better at penetrating large items.
电子束和 X光加速器都可以用来辐照各种不同形状和大小的食品，不过 X光穿透大型食品的能力更佳。 yeeyan |