一次粒子（primary particle），又称初级粒子和原级粒子。利用各种化学反应方法得到的最初粒子（晶粒）。
一次粒子
双语例句原声例句
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如果你把手指一次次地在这张软盘上滑动，你就会使这些粒子失去方向，或者可能会把它们全部敲掉。
If you just run your fingers again and again over this floppy disk, you are disorienting those particles or knocking them off perhaps altogether.
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现在，一次计算机模拟首次确切地证明，利用粒子对撞可以制造出黑洞。
Now a computer model shows conclusively for the first time that a particle collision really can make a black hole.
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此项证明一次只运用一个粒子，但是如果粒子用来数字存储，他们能够增加存储能量并只需要DVD能量的十分之一。
The demonstration used only one particle at a time, but if the particles were used for digital storage, they would increase the capacity and require a tenth of the power of current systems like DVD's.
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They count where these particles hit the screen.
当粒子撞击到屏幕的时候就记录一次。
应用推荐
$firstVoiceSent
- 来自原声例句