名词中文翻译
中文翻译：活动比率
同义词：
['activity rate', "activity index例句：1. The company's activity ratio is declining due to the economic downturn.（由于经济衰退，该公司的活动比率正在下降。）"]
例句：
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1. The company's activity ratio is declining due to the economic downturn.
由于经济衰退，该公司的活动比率正在下降。
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2. The activity ratio of the economy has been increasing in recent years.
近年来，经济活动的比率一直在增加。
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3.The activity ratio of the population is a key indicator of social development.
人口活动比率是社会发展的关键指标。