PhD from china is much worse than HS student here.

来源: janeice65 于 2011-01-19 21:50:06 [档案] [旧帖] [给我悄悄话] 本文已被阅读： 0 次 (102 bytes)

回答: 美国的SCIENCE教育是什么都知道，但就知道那么一点点由 mooseamoose 于 2011-01-19 19:58:23

I found it out today. he asked me how to make 1% solution. not only this, all the other things.

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