population decline 人口不足 ; 人口减少 ; 种群衰落
growth and decline of population 种群消长动态
the tendency to population decline 人口减少的趋势
Population growth and decline 人口成长与衰落
That should help us determine how to prevent further decline in the population.
这将有助于我们确定如何防止人口的进一步下降。
The ISTP team's research demonstrates that the population and job density of cities rose or remained constant in the 1980s after decades of decline.
ISTP 团队的研究表明,在经历了几十年的衰退后,城市人口和工作密度在20世纪80年代上升或保持不变。
Now even the project's greatest cheerleaders talk of a continent facing a "Bermuda triangle" of debt, population decline and lower growth.
现在,即使是该计划最大的支持者也在谈论面临债务、人口减少和低增长的“百慕大三角”大陆的话题。
A group of Venetian residents concerned about this marked the city's population decline with a mock funeral procession.
VOA: standard.2009.11.14
That explains, in large part, why there was such a decline in population, why the Dark Ages were so dark, lots of poverty, lots of starvation, but also, as I suggested when I spoke of this earlier, also the freedom if you could make it, to learn and also to grow stronger.
这解释了,在绝大部分地区,为什么存在着这一类的人口消减,为什么黑暗时代如此黑暗,如此贫困,如此多的饥荒,但是同时,就如在我之前所提到的,同样可以,如果做得到的话,去学习以及使自身强大
Some believe that population is stable in contrast to the eastern portion of the stock which is continuing to decline at probably lower population levels."
VOA: standard.2010.03.04
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