适当的公式和图表总是会平均平均或平均分散使用的统计计算。
The proper formulas for average and range charts will always use an average or median dispersion statistic in the computations.
竖向支架将整个构架的重量传到地面，构架下面的方形基底起到平均分散重量的作用。
Vertical tubes transfer the entire mass of the structure to the ground where they rest on square base plates to spread the load.
竖向支架将整个构架的重量传到地面，构架下面的方形基底起到平均分散重量的作用。
Vertical tubes transfer the entire mass of the structure to the ground where they rest on square base plates to spread the load.
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