And then you minus the average of e, the quantity squared.
然后你减去e的平均值,这个量再平方。
For special stock indicators E and Q and for purchase orders assigned to an account, ensure that the quantity is not posted to the stock in transit in the receiving plant.
对于特殊库存标识E和Q,以及分配到一个科目的采购订单,要确保数量在不被过帐到接收工厂的”在运库存”上。
It also has its physical significance. Kepler equation is an integral of differential equation set. The introduction of assistant quantity E leads to the simplification of mathematic expression.
其物理意义,开普勒方程是关于行星运动微分方程组的一个积分,由于引入了辅助量E,使数学表达式大为简化。
The basic definition-- the expected value of some random variable x--E--I guess I should have said that a random variable is a quantity that takes on value.
最基本的定义,某一个随机变量X的期望值E,我应该提到过,随机变量是一个可以取值的数
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