考察温度履历的对称性、网格细分对计算结果的影响。
The influences of both symmetry property of temperature history and mesh subdivision are researched.
以四分树为数据结构，建立了网格细分法生成自适应网格算法。
The generation algorithm of adaptive mesh which is based on the quad-tree data structure is presented.
网格细分是一种离散造型方法，可以从数字化仪等设备直接获得数据。
Subdivision is one of the discrete modeling methods that can achieve data from the devices such as digitizer.
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