Its distribution and population number were investigated with site-plot methods in this paper, and its floristics composition and types of Community were analysed too.

本文采用密度生境样方法对夏蜡梅的分布数量进行了调查和研究，并对其区系成分、群落类型进行了分析。

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The death and reproduction of the population make the mean density fluctuate but do not obviously change the overall level of population number and the population structure.

种群的死亡过程和繁殖过程使种群平均密度有较明显的波动，但对种群总体水平无明显影响，种群结构也无明显变化。

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The breeding capability of males and the population number of Rhombomys opimus are influenced by the social stress.

雄性繁殖能力受社群压力的影响，种群数量也随之受到影响。

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The number of Washingtonians grew about three percent during that period while the United States population increased more than seven percent.

VOA: special.2009.03.20

So, I already said what the number of square miles that were increased, but it increases from six to sixteen million of the population.

我已经提过了领土扩大的面积有多少,而人口从六百万增加到一千六百万

耶鲁公开课 - 欧洲文明课程节选

I want to have the population at a number no greater than 20.

我希望人数是,不要超过20人。

麻省理工公开课 - 固态化学导论课程节选

Well, now my friends, 40-plus years later, we have more than doubled that population number to 6.8 billion.

CNN: 'The Science Guy' says: 'Save the Earth'

But across the population the number of children born with disorders is likely to increase if this theory holds true.

BBC: Older dads linked to rise in genetic disorder

Although the mortality rate is predicted to continue declining, due to a growing and ageing population the number of deaths is expected to rise to about 182, 000 deaths by 2025.

BBC: 13,000 cancer deaths 'can be prevented'