Based on ordered statistic and extreme value theory, we give the simplify calculating method for structure reliability.
利用有序统计理论和极值理论，给出了结构强度的可靠度简化计算方法。
The method worth is that concrete way is probed in moral education scientific research method to unify history method, moral education theory and mathematic statistic.
方法价值在于为德育科学研究方法探索出一套将历史方法、德育理论和数理统计方法三者统一起来的具体途径。
The time series of voidage and particle colliding force at different operation conditions is analyzed and researched by statistic method-. power spectrum and chaos theory in this papers.
本文采用不同的分析方法分析、研究了气固流化床中不同操作条件下的空隙率时间序列和颗粒碰撞压力时间序列。
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