n̘}ڭɽ^(q)C4DӖ(xn)
XO(sh)ӋϢ ڭɽ^(q)C4DǺO(sh)ӋcI(y)֪C4DӖ(xn)C(gu)Ӗ(xn)֪ƷƣO(sh)ӋYۺȫоO(sh)зУW(xu)Уgӭļ
O(sh)ӋֲӢ^(q),A^(q),ɽ^(q),m^(q)ȵ,ǺИOӰC4DӖ(xn)C(gu)
O(sh)ӋһO(sh)ӋһwXӖ(xn)W(xu)У_O(sh)ƽO(sh)ӋӖ(xn)҃(ni)O(sh)ӋӖ(xn)W(wng)O(sh)ӋӖ(xn)O(sh)ӋӖ(xn)I(y)a(chn)ƷO(sh)ӋӖ(xn)cadӖ(xn)photoshopӖ(xn)ȌI(y)
ڭɽ^(q)C4DӖ(xn)ڭɽ^(q)C4DӖ(xn)ِȠҪӖ(xn)(ni)У OfficekܛAutoCADƈDࣨCеDDSƽDSwЧDxW(xu)֣PhotoShopPSD̎AIƽO(sh)ӋCorelDrawƽO(sh)ӋFlashW(wng)퓄ӮDreamweverW(wng)퓲Fireworks W(wng)퓈DO(sh)Ӌ3D MAXӮcģ
ڭɽ^(q)C4DӖ(xn)O(sh)Ӌߺ_ʼʹӋCMӋ㡣J飨._ɪmIvan Sutherland1963ʡW(xu)Ժ_l(f)Sketchpad壩һD(zhun)cSKETCHPADͻSO(sh)ӋÈDηʽӋCO(sh)Ӌһ֦PꎘO侀ĻLƵӋCH@LjDλÑԭͣ@NǬF(xin)CADɻȱ

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˼С~ÿһˮкĚϢÿһwʯɳĮӰԊ˲fһ֧~ݣټҵһƬV韵IJԭµҰϣһλԊˌР˹̩ߵһ/˵//ʹ^ô?]e҂^ÿһ·ɞoՓǚg꣬߀ʹĄexՈoՓǟеڴ߀҂^ÿ һ֧D(zhun)˲ʧͬ_ɯ?RɭԣoՓߵֻҪһաƲʺcͬ!M˽`׃ԼĵتzV韶_ʵ`sԳɞ˵تzãֻһ֮һмʵĻ棬ǏȼԼ_ʼһλϵҸVfp_̤˶ٕrg?ҪûڰֻҪ̤挍lIJӣ\KAóɹrĕry㲻·? IɹAFy㲻յľ^?
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