row-to-row distance 排间距离
total row distance 总行间距
minimum row distance 极小行间距
average row distance 平均行间距
row distance between tubes 管间距
minimum row distance degree 极小行间距离度
When the two-row piles must be used, appropriate pile row distance should be chosen.
当不得不采用双排桩时，应该选择适当的桩排距。
Compute the distance from each data sample to the cluster center (our randomly selected data row), using the least-squares method of distance calculation.
计算从每个数据样例到群集中心(我们随意选中的数据行)的距离，使用距离计算的最小平方法。
These subtended angles correspond to a viewing distance of roughly 2.2 times the screen width at the back row of the seating down to 1.5 times the screen width at the front.
这个观看角度是介于屏幕到最远观看距离应为电视屏幕宽度的约2.2倍和最前排观看距离为屏幕的约1.5倍之间。
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