beam of particles

• 粒子束

beam of particles的用法和样例：

例句

1. This beam of particles was directed at a thin gold foil.
   该粒子束对准一块薄薄的金箔。
2. This device was one of four designed to focus beams of particles before they collide in the experimental areas.
   共设计有四个这样的磁铁，主要是集中碰撞到试验区前的粒子束。