工作会包含设计，模型制造，新产品的测试和生产原形的工作部分，或者对现有产品的升级改进。
The work involves either designing, modelling, testing and producing prototypes of brand new products, or making improvements to existing products.
在本文提出的统一信任策略的模型的基础上，我们还实现了一个原形系统。
We have also built a prototype based on the concept of the general trust policy.
方法：以标准的无牙颌模型为原形建立无牙颌全口义齿的有限元模型，运用三维有限元应力分析。
Methods: the finite element model was created by using the standard edentulous jaws model; its stresses and deviation were analyzed with the three-dimensional finite element stress analysis method.
然后建立特征约束模型，实现对原形的还原；
Then the feature constraint models are set up for restoring the original shape;
然后建立特征约束模型，实现对原形的还原；
Then the feature constraint models are set up for restoring the original shape;
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