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observational [ɔbzə(:)'veiʃənl]

a. 观察[观测] 的

形容词：ob'ser·va'tion·al

副　词：ob'ser·va'tion·al·ly

relying on observation or experiment
[同] data-based, experimental, observational
[例]
- experimental results that supported the hypothesis

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The Seasonal Variation of Blood Cholesterol Levels Study（SEASONS) is a prospective observational study in which comprehensive data on serum CRP concentrations, 查看全文
Flavonoids can also be found in red wine. Multiple observational studies have shown that moderate alcohol consumption is associated with lower rates of cardiovascular events.查看全文

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