observational
US /ˌɑːb.zɚˈveɪ.ʃən.əl/
UK /ˌɑːb.zɚˈveɪ.ʃən.əl/
形容词
1.
观察的
involving watching someone or something carefully and closely, in order to learn something:
示例:
•
Observational research uses data collected during routine clinical care.
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