引发事件模拟根据相应过程的经验统计，用随机数确定。
According to the experience statistics of the corresponding process, the triggered accident simulation was set by random number.
解决泵行业一直依据经验统计值确定面积比而不能使低比转速离心泵在设计点效率最高这一问题。
It is resolved that design condition efficiency for low specific speed centrifugal pump is not the highest in terms of experiential statistical area ration value.
利用降水-径流经验统计模型，定量评估了潮河流域降水变化与人类活动对流域年径流量的影响程度。
Impacts of precipitation variations and human activities on annual runoff of the Chao River Basin are evaluated quantitatively based on the rainfall-runoff empirical statistical model.
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