primary beam meaning in English
初级射束
初级束流原射线束
有用束流
原电子束
原始束流
照明束
主梁
Examples
- Absorption of primary beam
一次射线束的吸收 - If the optical head is on track , then the primary beam will be centered on a track ( with pits and bumps ) and the two secondary beams will be centered on land
如果光学头在轨道上，主激光束将处于轨道中心，两个副光束处于轨道之间。