On uniformly continuous function space U(G), Equivalence of invariant mean and topological invariant mean is showed by two methods.

设G为局部紧群，在一致连续函数空间U（ G）上，用两种方法证明左不变平均和拓扑左不变的等价性。

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On the occasion of invariant mean and lower variance of demand as well as lower product return rate, the amount of product return is very stable.

在需求比较稳定，有恒定的均值，较小的方差且产品回流率较小时，回流产品非常稳定。

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The position of knee point of Phase-frequency characteristic mean value curve is invariant, but the kurtosis of the curve near the knee point decreases.

刚度与质量参数随机时相频特性均值曲线的拐点位置不变，只是拐点附近曲线陡峭度减小。

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The loop invariant what does the loop invariant mean? It says, here is a property that is true of this structure every time through the loop.

循环不变量是什么意思？,它是一个在结构体中,每次循环都为真的属性。

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