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qsj98:三种方法仅供参考: =cI> { 1. 考查系统出射光线平行性; w}U'>fj 2. 加理想透镜,其焦距等于系统焦距; awSi0*d~ 3. 光路反向计算,即系统倒置,从无穷计算到焦平面。....... (2013-07-31 22:50) `82^!7 !
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