food-frequency questionnaire

• 食物频数问卷

food-frequency questionnaire的用法和样例：

例句

1. Also at baseline, the researchers used validated food frequency questionnaires to assess consumption of coffee and black tea for the previous year.
   最初，研究者采用经确认有效的食物频数问卷来评估最初几年的咖啡和红茶摄入量。