alpha particle

美

英

复数：alpha particles

权威英汉双解

alpha particle

n.

1.	* α 粒子the nucleus of a helium atom; a particle with a positive electrical charge passing through it, that is produced in a nuclear reaction

释义:

* α 粒子,阿尔法粒子,阿尔发粒子,氦原子核

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