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swoptical:但是像阿貝數(shù)這樣的參數(shù),分等級(jí)的意義不是特別大吧,成都光明的玻璃阿貝數(shù)一般是0.8%,公差分析上你沒得選,只能0.8%, 1B|8ZmFJj 而折射率公差又能保證在50個(gè)單位以內(nèi),因此更寬松的折射率公差也是沒有意義的 NYwR2oX (2015-05-06 09:04) pY@Y?Jj
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