dachqian 发表于 2007-8-29 13:52:17

航天器概念设计风险评估

与大家分享　:):)



Thepreliminarydesignphaseofanyprogramiskeyto
itseventualsuccessfuldevelopment.Themore
advancedadesignthemorethistendstobetrue.For
thisreasonthepreliminarydesignphaseisparticularly
importantinthedesignofaerospacesystems.Errorsin
preliminarydesigntendtobefundamentalandtendto
causeprogramstobeabandoned,ortobechanged
fundamentally,andatgreatcostlaterinthedesign
development.

[本帖最后由dachqian于2007-8-2913:55编辑]

sunyongquan 发表于 2007-8-30 08:27:14

这个对大家很有帮助的
:):)

pine111 发表于 2007-8-31 22:30:57

8错8错8错

大汉复兴 发表于 2008-11-23 00:07:01

多谢楼主分享

happyyan 发表于 2008-11-23 10:35:18

楼主，很好啊，支持！
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