名词
中文翻译：Unknown
同义词：
['disease prevalence survey', 'disease incidence survey', 'disease prevalence investigation']
例句：
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1. The hospital conducted a morbidity survey to identify the most common causes of illnesses among patients.
医院进行了一次疾病流行调查，以确定患者中最常见的疾病原因。
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2. The government launched a morbidity survey to understand the public's health concerns and develop policies accordingly.
政府启动了一次疾病发病率调查，以了解公众的健康关切并据此制定政策。
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3. The study aims to conduct a morbidity survey to investigate the correlation between smoking and lung cancer.
这项研究旨在进行一次疾病发生率调查，以探究吸烟与肺癌之间的关联。