its useful! I always search 14c. never tried carbon-14. Thanks!

来源: 街西狗于 2010-08-20 19:31:36 [档案] [博客] [旧帖] [给我悄悄话] 阅读数 : (0 bytes)

回答: 感谢4h的热心。那只是事件的一部分。全部的故事在这里。由街西狗于 2010-08-20 14:55:10

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