Introduced species can often undergo a population boom just after introduction.

被引进的物种在刚被引入之后往往会发生数量暴增。

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But officials have resisted any major policy changes out of fears that a major population boom might follow.

但官方不想作出任何重大的政策变动，因为担心接着会出现大的人口出生潮。

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Senior officials fear that any change would unleash a population boom, despite predictions to the contrary by most experts.

高级官员担心，任何改变都会让人口迅速增长，尽管这与大多数专家预测的相反。

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The huge population increase known as the Baby Boom was beginning.

VOA: special.2011.02.15

In fact the incredible human population boom is largely an artifact of the carbon bubble.

FORBES: The Carbon Bubble

The introduction of the sweet potato in China helped lead to a population boom.

FORBES: Columbus: Father of Globalization

The population boom in much of sub-Saharan Africa is far outstripping economic growth.

ECONOMIST: Spain and immigration: Still they come | The