dietary investigation

• 膳食调查

dietary investigation的用法和样例：

例句

1. The dietary intake and nutritional status of college students were investigate.
   通过膳食调查了解在校大学生膳食营养状况。
2. Methods Dietary habit was investigated for pregnant women in Shenyang, and Dietary survey was made among some of them.
   方法对沈阳地区孕妇进行饮食习惯调查，并选取其中部分孕妇进行膳食调查。