Finally, thinking of the low efficiency of the old cracks elimination way, a new bi-directional method is given which can simplify the terrain efficiently and increase the rendering speed.
针对以往简化算法中单向裂缝消除算法效率低的问题，提出一种新的裂缝消除算法：双向裂缝消除算法，实验结果证明了该算法的正确性和有效性。
According to the SQL Standard, the method to evaluate hierarchical or bi-directional data is the Recursive Common Table Expression (RCTE).
根据SQL标准，评估分层或双向数据的方法为递归通用表表达式(RCTE)。
On this basis, the simplified tri linear analytical method to determine bi directional shearing capacity is presented afterwards and the error of this method is given.
同时本文作者提出了双向受剪承载力的三折线简化计算方法，对简化计算方法的误差进行了分析。
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