修匀，利用初始估计，结合先验观点修正初始估计值的精算方法．
n. graduation
adj. smooth
经过修匀后的网格有时仍然存在不合格单元。
Sometimes there exist invalid elements after mesh smoothing.
第三章讨论了网格质量修匀及优化技术，并且引入网格节点编号优化方法以减小总刚矩阵的半带宽。
The third chapter analyzes several mesh quality smoothing and optimization methods, and imports a method that optimizes the node Numbers to reduce the semi-bandwidth of rigidity matrix.
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