"keep your hands off the keyboard until you thoroughly understand the first-and third-order problem!" From Warren J. Smith<optical system design>
qdmagi
2009-12-02 16:07
引用第1楼yazhuge于2009-12-02 11:46发表的 : w6Dysg: "keep your hands off the keyboard until you thoroughly understand the first-and third-order problem!" From Warren J. Smith<optical system design> L0UAS'hf