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引用第1楼yazhuge于2009-12-02 11:46发表的 : j ~1B|,H "keep your hands off the keyboard until you thoroughly understand the first-and third-order problem!" From Warren J. Smith<optical system design> b-{=s+:
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引用第4楼booq于2009-12-05 20:00发表的 : I{*<