“pair production effect”的概念、定义、翻译、参考文献-科学参考

单词	pair production effect
释义	pair production effect Encyclopedia 理学原子核释 pair production effect电子对效应当能量高于1.022兆电子伏的γ光子通过物质时，在原子核的库仑场作用下，γ光子转化为电子对（一个正电子和一个负电子）的过程。
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