The difference of the measurement data was compared with the paired t test.

计量资料差异性比较采用配对t检验。

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Remember there is a difference between being paired and being connected.

记住，配对和连接之间有一点是不同的。

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Remember there is a difference between being paired and being connected.

记住，配对和连接之间有一点是不同的。

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