首先将三维模型转换成两种量级的轻量化模型，然后根据不同协同操作向协同者提供相应的轻量化模型。
First, 3D-model is converted into two types Light weighed model, then, the appropriate Light weighed model is provided for collaborator according to different Collaboration operations.
最后对样车车架贴应力应变片进行测试，与有限元模型进行比对。结果表明，采用改进方案已达到轻量化的目的。
At last, we tested the frame that was passed the pieces of stress and strain, and compared with the model of FEA. The results show that the modified plan can realize the purpose of lightweight design.
最后对样车车架贴应力应变片进行测试，与有限元模型进行比对。结果表明，采用改进方案已达到轻量化的目的。
At last, we tested the frame that was passed the pieces of stress and strain, and compared with the model of FEA. The results show that the modified plan can realize the purpose of lightweight design.
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