probability law概率律,机率律,几率律probabilityn.可能性；【数】或然率；机率；【统计】概率，概率论probability of interception截获概率probability current density几率流密度probability of anticipation期待可能性probability threshold value概率阈值probability space structure概率空间结构probability safety analysis概率安全分析probability analysis method概率分析方法probability-intra-stage层内概率统计probability theory thinking概率论思维Probability criterion model概率准则模型