名词
中文翻译：人口平衡
同义词：
['population balance', 'population equilibrium']
例句：
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1.The government is working hard to achieve a population equilibrium.
政府正努力实现人口平衡。
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2. The population equilibrium is crucial for the sustainable development of the region.
人口平衡对于该地区的可持续发展至关重要。
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3.The population equilibrium is constantly changing due to various factors.
由于各种因素，人口平衡不断变化。