Many methods and their applications are studied in the paper based on DataWindow and multi-relation combination query method is designed based on DataWindow.
主要研究基于数据窗口函数查询的多种方法及应用，并设计了基于数据窗口的多关系组合查询方法。
This provides a feasible testing method for studying the behavior and constitutive relation of rock failure with medium stain rate under dynamical loading or static and dynamical combination loading.
为研究岩石在中等应变速率下的动态加载或动静组合加载的破坏特性及本构关系提供了一种可行的试验方法。
The information distribution, combination, occurring probability and covered relation in the tree graph have been systematically described.
对于树图中信息的分布、组合、出现机率以及覆盖关系，作了系统的论述。
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