What the standard deviation really tells you is that some set of users were + or - the test average (or arithmetic mean).
标准偏差真正能够告诉您的是，某些用户是高于还是低于平均测试水平(或者算术含义)。
In fact, there are some very old books that show this as the average, the sum divided by two arithmetic mean, but the modern practice is to use the geometric mean.
事实上，一些很老的书籍上，平均的定义就是算数意义的，总的来说被分为两种算数意义，但现代我们多用几何意义。
Under the certain conditions, the average RCS of targets with complex shape are generally subject to the arithmetic sum of the mean RCS by local reflection area.
在一定的条件下，复杂形体的目标平均雷达截面积近似地由局部反射区域平均雷达截面积的算术和来确定。
This paper discussed the theorem of the average arithmetic geometric mean of algebraic polynomials systematically, then derived and analyzed the original geometric programming (GP) briefly.
系统地讨论了代数多项式的算术-几何均值定理，并对原型几何规划理论作出了简明的推导与分析。
The simplest form of a moving average, appropriately known as a simple moving average (SMA), is calculated by taking the arithmetic mean of a given set of values.
最简单的移动平均数被称为数学简单移动平均线，通过算数均数对给定数值进行计算。
The simplest form of a moving average, appropriately known as a simple moving average (SMA), is calculated by taking the arithmetic mean of a given set of values.
一旦一个移动平均数的数值被计算出来，他们将会被添加到一个图表中之后连接起来组成移动平均线。
The simplest form of a moving average, appropriately known as a simple moving average (SMA), is calculated by taking the arithmetic mean of a given set of values.
现在你已经更好的了解了指数移动平均线和简单移动平均线是怎样计算的，让我们来看一下他们的区别。
The more common method of calculating averages is known as the arithmetic mean, or simple average.
更常见的计算方法被成为算数平均法，或者简单平均数。
The more common method of calculating averages is known as the arithmetic mean, or simple average.
更常见的计算方法被成为算数平均法，或者简单平均数。
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