名词
中文翻译：犯罪率
同义词：
['crime rate', 'crime rate statistics', 'crime rate statistics', 'crime rate statistics']
例句：
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1. The police are investigating the cause of the recent crime rate increase.
警方正在调查近期犯罪率上升的原因。
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2.The government is working on a plan to reduce the crime rate in the city.
政府正在制定一个计划，以减少该市的犯罪率。
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3. The crime rate has been steadily decreasing over the past decade.
过去十年里，犯罪率一直在稳步下降。