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.
那么对于dA，我们必须谨慎地使用乘法法则，或用偏微分。
Well, then, dA, so we had to use the product rule carefully, or we use the partials.
可以通过隐函数微分法和乘法法则得到，或者直接,把关于x，y，z的偏微分放进来。
You can get this either by implicit differentiation and the product rule, or you could get this just by putting here, here,and here the partial derivatives of this with respect to x, y, and z.
知道某些地形和情况，可以把更大的需求，对一绞车超过1.5典型的乘法法则。
Be aware that certain terrains and situations can put a much greater demand on a winch over the typical 1.5 multiplication rule of thumb.
另外，萨玛·瓦尔完全理解了负数的乘法法则，并对排列组合问题也有充分的认识。
Besides, the author understood the rule of negative multiplication completely and studied the problem of permutation and combination deeply.
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.
他不得不做一些计算，因为不是所有的官方数据都会公布，但是他用法国数据演绎最小二乘法则得出每小时产出以每年3%的速度增长。
He has to make estimates, because not all the official numbers are out, but his reasoning squares with French data showing hourly output rising at an annual rate of 3% .
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.
遵照音乐波动的法则，我们知道基本振动的八度音阶是通过数字2的乘法或除法创造出来的。
According to the rules of music vibration, we know that octaves of the fundamental vibration are created through multiplication or division from the number two.
遵照音乐波动的法则，我们知道基本振动的八度音阶是通过数字2的乘法或除法创造出来的。
According to the rules of music vibration, we know that octaves of the fundamental vibration are created through multiplication or division from the number two.
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