As you can see, the actual TAB use formed a very nice bell curve, skewed to the lower Numbers of tabs.

如你所看到的，实际的标签使用数量形成了一个很好的趋向低数字的钟形曲线。

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As the fat part of the bell curve of income inequality moves beyond the middle-class threshold, huge Numbers are lifted out of poverty. Yet many of them are still perilously close to the borderline.

收入不平等的正态分布曲线最大的一部分从中产阶级底线中移开，由此，大量中产阶级摆脱了贫困，尽管如此，十分靠近边界的也不在少数。

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When numbers of the inner nozzle are enough, plug nozzle has less size, less weight and higher thrust efficiency than the bell nozzle under same area ratio.

在单元数足够多时，环簇式塞式喷管可比相同面积比的钟形喷管的尺寸更小，重量更轻，推力效率更高；

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Shares of some retailers fell before the opening bell with surprisingly bad sales numbers during the crucial holiday period.

NPR: US Futures Rise On Unemployment Claims Report

But the gross domestic product numbers released by the Commerce Department before the opening bell dimmed optimism about setting a record.

NPR: US Futures Give Up Gains After Growth Data Release