利用单位分解，给出了多面体上连续自映射的拓扑压的函数定义，并证明了它与拓扑压的标准定义是等价的。
The topological pressure of a transformation is expressed in terms of partitions of unity. Its equivalence to the standard definition is showed.
通过研究三角形多面体模型节点偏导数的计算方法，对目标函数进行线性化处理，形成了计算机自动迭代修改模型体的技术。
By researching the partial derivative calculation of model vertex and linearity treating field function using Taylor series, the 3D models can be changed via automatic optimization;
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