在局部三角化中考虑了三角形内角和顶点距离，采用规格化最小顶点距离法实现局部三角化，避免了狭长三角形出现。
A new re-triangulation method based on normalized minimum-vertex-distance was presented to avoid long and thin triangles, and it considered the vertex distance and the interior Angle of triangle.
为了解决这些问题，采用二次构tin法，通过解算矢量三角形，使计算模型简单化，以便于计算机自动化实现。
To solve it, secondary TIN construction was conducted to simplify the calculation mode by solving vector triangle calculation so as to facilitate the automatic realization by computer.
为了解决这些问题，采用二次构tin法，通过解算矢量三角形，使计算模型简单化，以便于计算机自动化实现。
To solve it, secondary TIN construction was conducted to simplify the calculation mode by solving vector triangle calculation so as to facilitate the automatic realization by computer.
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