你講了半天也沒講清楚電磁輻射(radiation) 和核輻射(radiaoactivity)的區別.

來源: jerrytao 於 2011-12-28 01:58:11 [檔案] [舊帖] [給我悄悄話] 閱讀數 : (0 bytes)

回答: 科普: 電磁輻射(radiation) 和核輻射(radiaoactivity) 是兩檔子的事情. 由季襄於 2011-03-19 14:02:57

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