名词
中文翻译：区域规则
同义词：
['regional rule', 'regional principle']
例句：
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1. The area rule for the region is to promote sustainable development.
该地区的区域规则是促进可持续发展。
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2. The area rule of the city limits was set by the government.
市政府设定了城市的行政区域范围。
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3. The area rule of the country has been changed due to economic reforms.
由于经济改革，该国的行政区域规则已经改变。