基于产品几何模型和装配模型的设计系统，能够支持产品自上而下、逐步求精的设计过程和并行产品设计过程。
The design system which is based on geometric model and the above assembly model can support the Top down, decomposition process and the concurrent design process.
基于产品几何模型和装配模型的设计系统，能够支持产品自上而下、逐步求精的设计过程和并行产品设计过程。
The design system which is based on geometric model and the above assembly model can support the Top down, decomposition process and the concurrent design process.
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