Under population follow normal distribution hypothesis, designing combine median-range adaptive control charts with variable sampling interval, variable sample size and variable control limit .

在假设总体服从正态分布的条件下，设计了抽样区间，样本容量和控制限都变化的全变化参数的中位值-极差联合控制图。

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The software completes its processing in under 15 minutes producing a plant population count map.

该软件在15分钟内处理好并生成了一张植物种群统计图。

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We live in a world in which almost 50% of the population is under 35.

我们生活在这样一个世界，几乎50%的人口的年龄不到35岁。

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Like over 85 percent of the population, the Geyersbach family is insured under Germany's public health system.

VOA: standard.2009.09.28

We live in a world in which almost 50% of the population is under 35.

我们生活在这样一个世界,几乎50%的人口的年龄不到35岁。

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In 2050, the number of people over 80 will be 10% greater than the 15 and under population.

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In contrast, none of the hip cities posted under 15 population growth better than 5%.

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Yet despite this, the under 15 population of New York County (Manhattan) dropped nearly 10% over the past decade, a net loss of 21, 000.

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