According to topological structure of control mesh, we generate generalized rational parametric surfaces in two manners.
对于广义有理参数曲面，根据控制网格的拓扑结构，我们分成两种情况来考虑。
The model used to control mesh deforming is improved spring analogy with boundary improvement and torsional effect improvement.
网格变形的物理模型采用改进的弹簧近似模型，改进措施包括边界修正和扭转效应修正。
By comparing the least distance between subdivided control mesh and limit surface with rough machining allowance, the uniform subdivision depth was determined.
该算法以细分后的控制网格与极限曲面之间的最小距离和粗加工余量作比较，确定均匀细分次数。
Subdivision surface is a new geometric modeling technology of discrete surface based on mesh. It can express modeling surface through control mesh and subdivision rules.
细分曲面是基于网格的离散曲面造型新技术，它通过定义控制网格和细分规则来表示造型曲面。
As an important part of Surface Modeling, mesh Subdivision used to smooth an initial control mesh several times using some method, until up to the specified degree of smoothness.
作为曲面造型的重要分支，网格细分是以计算机为工具，对一个初始控制网格，采用某种方法对网格进行多次细化，直到满足指定的光滑度和细腻度。
As an important part of Surface Modeling, mesh Subdivision used to smooth an initial control mesh several times using some method, until up to the specified degree of smoothness.
作为曲面造型的重要分支，网格细分是以计算机为工具，对一个初始控制网格，采用某种方法对网格进行多次细化，直到满足指定的光滑度和细腻度。
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