名词
中文翻译：流行病学调查
同义词：
['epidemiological study', 'epidemiological investigation']
例句：
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1. Theresearchers conducted an epidemiological survey to determine the prevalence of the disease in the community.
研究人员进行了一次流行病学调查，以确定该疾病在社区中的流行情况。
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2.The epidemiological survey revealed that smoking is a major risk factor for lung cancer.
流行病学调查发现，吸烟是肺癌的主要危险因素。
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3. The epidemiological survey showed that exercise can significantly reduce the risk of heart disease.
流行病学调查表明，锻炼可以显著降低心脏病的风险。