...， 主要包括四大步骤：概念的形成(conceptualization)；概念的界定(specification)；选择测量指标(specification of indicators); 概念的操作化(operationalization)。
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我们使用来自PSID和ECHP的数据以评估人们选择配偶时在上述指标中所做的权衡，发现了人体测量特征和社会经济学特征可以互相替代的证据。
We estimate the trade-offs among these characteristics using data from the PSID and the ECHP, finding evidence of compensation between anthropometric and socioeconomic characteristics.
对急性踝关节扭伤治疗需与现行的常规治疗方法进行对照，并选择可客观测量的特征性效应指标。
Therefore any new treatment must contrast with present general treatment and select characteristic effective targets that can be measured objectively.
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