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qsj98:三種方法僅供參考: 9'O<d/xj/ 1. 考查系統(tǒng)出射光線平行性; vw3%u+Z& 2. 加理想透鏡,其焦距等于系統(tǒng)焦距; sd Z=3) 3. 光路反向計(jì)算,即系統(tǒng)倒置,從無窮計(jì)算到焦平面。....... (2013-07-31 22:50) ]5c|
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