在研究伊始和1年后采用半定量食物频率问卷调查法评估饮酒量。
With use of a semiquantitative food-frequency questionnaire, alcohol intake was evaluated at baseline and at 1 year.
饮食摄入的评估是根据一项由双亲完成的半定量食物频率问卷调查。
A parent-completed semi-quantitative food frequency questionnaire was used to estimate dietary intake.
镁的摄入情况是通过每4年向参加者发放半定量的食物频率问卷表来调查的。
Magnesium consumption was determined with a semiquantitative food frequency questionnaire sent to the subjects every 4 years.
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