Three-dimensional solid modeling method is introduced in this paper for good result, and the geometrical size of the model is consistent to the true value.
为了与工程实际相符合，本文采用三维实体建模，几何尺寸与工程实际相符；
Secondly, for geometrical modeling, a three-dimensional model of main tissue such as vocal of throat is set up using 3d reconstruct from ct segments.
其次，在几何建模方面，利用CT切片对喉部的声带等主要组织进行三维重构，形成真实的三维模型。
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