Finally, the influences of the spandrel structure and the arch mass distribution mode upon the structural dynamic behavior are studied.
讨论了拱上建筑和拱圈质量分布模式对结构动力特性的影响。
During the statistical process of density, the probability density distribution of the rock mass structural plane in sample space is assumed as normal distribution.
在密度统计过程中，把岩体结构面样本在空间上的概率密度分布假设成正态分布。
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