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lanlanzhu:[表情] 好厲害 (2014-01-05 21:25) p qfUW+>
phoenixzqy:把上學(xué)時(shí)候?qū)W的光學(xué)知識(shí)、數(shù)學(xué)知識(shí)結(jié)合到一塊,就能計(jì)算出來了。常交流! (2014-01-05 22:17) 0(mkeIzJt/
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lanlanzhu:數(shù)學(xué)不好是硬傷啊···[表情] (2014-01-06 09:05) L+CyQq
y粟花:感謝樓主分享! (2014-01-06 15:08) ^k Cn*&
doddshi:好文章,不錯(cuò) (2014-01-06 22:28) af|5n><~A