The actual level of intensity depends on such factors as the physical layout, population density, and productive activities of a metropolis.

实际的强度水平取决于诸如大城市的物理布局、人口密度和生产活动之类的因素。

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The Strategy calls upon all stakeholders to take action at global, regional and local levels to improve diets and physical activity patterns at the population level.

战略还要求全体相关利益者在全球、区域和地方水平上采取行动以改善人口饮食和身体活动模式。

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It is doubtless that we are experiencing a dilution of microdialects and accents, however this merely reflects the greater physical and social mobility of the population at large.

BBC: Glaswegian goes east

There are reams of papers showing that the physical and mental health of a population are important for economic growth, the better both are the more growth there will be.

FORBES: World Happiness Report: Even Jeff Sachs and Richard Layard Don't Really Believe It

The effect of this tardiness has been to put physical activity in reverse gear compared with population trends and advances in tobacco and alcohol control and diet.

CNN: STORY HIGHLIGHTS