名词
中文翻译：Unknown
同义词：
['occurrence', 'occurrences', 'incident', 'incidence rate', 'incidence rate of']
例句：
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1. The incidence of the disease in this area is increasing.
该地区该疾病的发病率正在上升。
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2. The incidence of accidents has decreased significantly over the past decade.
过去十年中，事故的发生率显著下降。
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3. The incidence of obesity is a major public health concern.
肥胖症的发生率是一个重要的公共卫生问题。