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。
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。
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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