depopulation

名词：

名词: depopulation

更多词形：

名词: depopulation | 动词过去式: depopulated | 动词过去分词: depopulated | 动词现在分词: depopulating | 动词第三人称单数: depopulates |

单词例句：

Here, the rise of the grey singleton is blamed on the breakup of the extended family, rural depopulation and the rising divorce rate among middle-aged and retired couples.

日本已经比世界其他国家都要来得年老，其平均寿命为男性79岁、女性85岁。

There are 4000 several wildlifes in that zoo, regard birds as principle, among them many is a species that gets close to the depopulation.

该动物园内有4000多只野生动物，以鸟类为主， 其中许多是濒临灭绝的物种。

As the war continued, it turned more and more grim;and when it was over, it had led to severe depopulation of the German Empire.

而且由于他们介入三十年战争，瑞典俨然转营成一个新教在欧洲大陆具领导性的国家，直至帝国在大北方战争期间崩坏为止。

Sickness and death are soon to arrive, hence, depopulation will appear as natural causes and combined with other measures can hardly be stopped until goals are met.

疾病与死亡会很快到来，因此，自然原因以及其他因素引起的人口减少将不可阻止直到（氧气供求）恢复平衡。

At this level all Civilizations enter upon a stage, which lasts for centuries, of appalling depopulation.

眼下，所有的文明都进入了令人震惊的人口衰退期，这个阶段已经持续好几个世纪。

When nonradiative depopulation is not zero (in fact it is usually true), it is not linearly even for an ideal four-level laser system in the closed microcavity.

当无辐射衰减速率不为零时(实际上往往如此),即使对理想的四能级激光系统的封闭腔,它的光输出特性也不再是线性的。

Transposition Reflection upon Species Depopulation and Biological Diversity

反思物种灭绝与生物多样性

Transposition Reflection upon Biological Diversity and Species Depopulation

生物多样性与物种灭绝的换位思考

On one side were those who feared depopulation of the nation's farms would burden the Nation's growing cities and might cause food prices to rise dangerously.

一部分人担心农村人口的减少会给城市增长增加负担，可能导致食品价格危险上涨。