population structure

常见例句

Better understanding of the population structure of the fishery is therefore of paramount importance.
对渔业种群结构的更深入了解因此具有至高无上的重要性。
China's changing population structure, with fewer and less mobile young workers, is still likely to keep pushing salaries up.
中国的人口结构正在发生变化，年轻工人越来越少、流动性越来越弱，这仍然可能继续促使薪水上涨。
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Those were indeed dire heat waves, contributing to the Dust Bowl, which dislocated millions of Americans and changed the population structure of the United States.
这些可怕的热浪造成干旱尘暴，使上百万的美国人迁移并改变了美国的人口结构。

Central to this plan is a call for further research into the sharks' population structure and migratory movements, and how ecotourist activities might affect their behaviour.
ECONOMIST: Whale sharks
The principle would work, he says, for any species with a genetic structure to its population.
ECONOMIST: DNA tracking
For example, the model of social brainstorming, also referred to as ideagoras or idea management, you create an open online system to involve all the people that you may like to draw from a specific target population, provide some topics to structure discussion and then allow them to debate, rate and rank the best ideas.
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