不是每秒钟释放510个高能核辐射粒子，而是每秒钟有510个原子核发生衰变放出射线!

来源: 咚咚咙咚呛于 2011-03-31 20:26:53 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

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