您可以利用此函数将您的样本方差计算转换为样本标准差计算，如清单8所示。

You can use it to turn your variance measurement into a standard deviation measurement, as shown in Listing 8.

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方法：分析样品中菌落总数不确定度的来源，采用合并样本标准差的方法来评定菌落总数的不确定度。

Methods: the source of measurement uncertainty of the colony determination in fishmeal was analyzed and the method of uniting standard deviation was applied to determine the uncertainty of the colony.

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在“S”法的基础上，利用样本平均极差R代替“S”法中的样本标准差S ，从而得到了“R”法，并且给出了相应的样本大小，及各种情况下的接收标准。

By using the sample mean range( R )instead of standard deviation of the sample( S )in"S " method, the"R " method is obtained in this paper.

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在“S”法的基础上，利用样本平均极差R代替“S”法中的样本标准差S ，从而得到了“R”法，并且给出了相应的样本大小，及各种情况下的接收标准。

By using the sample mean range( R )instead of standard deviation of the sample( S )in"S " method, the"R " method is obtained in this paper.

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