概率论的基本原理之一叫做乘法法则。
One of the first principles of probability theory is called the multiplication rule.
统计学家称之为乘法法则，因为对每个图案鉴定出现错误的单个个体概率乘在一起就得出总体的概率。
Statisticians call this the multiplication rule, be- cause the individual probabilities of a mistaken identity for each pattern are multiplied together to find the overall probability.
根据乘法概率法则，将某一年龄段的留存率与前一年龄段的生存率相乘可得该年龄段的生存率。
According to probability principle of multiplication, the survival rate was the product of retention rate at certain period and survival rate at the previous period.
根据乘法概率法则，将某一年龄段的留存率与前一年龄段的生存率相乘可得该年龄段的生存率。
According to probability principle of multiplication, the survival rate was the product of retention rate at certain period and survival rate at the previous period.
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