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wwwtt02:同意6楼的,因为它的波长相关性太强 (2012-11-10 11:57) nh>vixe
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freshment:菲涅尔透镜用于非成像系统里面做光线处理还比较好吧,若做成像,成像质量肯定有问题 (2012-07-17 16:26) O;jrCB