他们从一个含有1971年至1975年的参与者的全国健康调查(即NHANES I，第一次全国健康和营养检查调查)和几年后随访调查中找寻数据。
They did this by examining data from a national health survey that examined participants between 1971 and 1975, known as NHANES I, and from a follow-up survey years later.
该委员会的合规，检查和调查办公室计划加强其股票分析师的安全性，以调查研究是否是经纪公司的独立职能。
The commission's office of compliance, inspection, and investigations plans to intensify its security of stock analysts to investigate whether research is an independent function at brokerage firms.
检查员被派去调查该公司的事务。
Inspectors were appointed to inquire into the affairs of the company.
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