名词
中文翻译：犯罪率
同义词：
['crime rate', 'criminality rate', 'crime rate statistics']
例句：
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1. The police areinvestigating the cause of the recent increase in criminal rates.
警方正在调查近期犯罪率增加的原因。
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2. The city's crime rate has dropped significantly since the implementation of new anti-crime measures.
自从实施了新的反犯罪措施后，该市的犯罪率大幅下降。
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3. The government is concerned about the rising criminal rates among young people.
政府对年轻人犯罪率上升感到担忧。