Comparative study on random sampling and Latin hypercube sampling with and without variance reduction techniques is carried out to a number of different limit state functions.

在一系列不同的极限状态函数条件下，对随机抽样法和拉丁超立方抽样法以及是否使用方差减缩技术进行了比较研究。

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This paper proposes Latin hypercube sampling combined with variance reduction techniques of conditional expectation and antithetic variates to assess ultimate strength reliability of ship hull girder.

本文将拉丁超立方抽样法与条件期望和对偶变数方差减缩技术组合用于分析船体总纵极限强度可靠性。

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This research provided techniques for the application, conservation in vitro of excellent germplasm and reduction of heredity variance of autotetraploids of Plalycodon grandiflorum.

本研究为优良同源四倍体桔梗的推广应用和优良种质离体保存、减少遗传变异提供了技术依据。

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