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henryyue007:看光線的偏轉(zhuǎn)的角度,如果鏡片偏轉(zhuǎn)角度太大,即所承擔(dān)的光焦度太大,需要增加鏡片,相反,可以合并鏡片 (2013-06-27 17:29) 'tm$q/&
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