为得到比较可靠的结果，我们多次执行导入操作和查询，对测量到的时间取平均值。

To achieve some reliable results, we executed the import operation and queries several times and averaged the measured times. The spatial operations are the following.

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对于测量，会在15分钟时间间隔内的七八行历史数据上求平均值。

For a gauge, the value would be averaged over the seven or eight detail history rows within the 15-minute interval.

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目 镜测量数字显示， 数字显示试验力，保荷时间， 硬度值， 最大最小值， 平均值， 不均匀度， 标准偏差， 洛氏HRC HRA转换值等，渗碳层硬度梯度曲线等。

With eyepiece digital display, Display on LCD: Load, Duration time, Diagonal lengths, Hardness values, Min, Max, Average, Divergence, , Standard deviations, converted HRC HRA values, and etc.

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