Basing on the analysis about the features of complex systemdesign and the related CAD technologies in home or abroad, this paper deals with the theor y of intelligent CAD to complex system and the key technologies it related to, s uch as the integrated modeling, current process management, and the collaboratio n among working groups. Besides, a supporting environment named CAD for CLSS is designed and implemented.%在分析复杂系统设计特点和国内外相关CAD技术的基础上,研究了复杂系统智能CAD理论及其集成化建模、并行过程管理、设计工作组协同等关键技术,规划实现了相应的设计支撑环境CADfor CLSS.
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