★ Guess you studied Physics quite well. If from MACRO VIEW POINT

來源: star-sun 於 2013-04-05 06:54:15 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

★ Guess you studied Physics quite well. If from MACRO VIEW POINT of System Engineering, does solving social problems still need a reference?

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