dietary survey的用法和樣例：
例句
- The dietary intake and nutritional status of college students were investigate.
通過(guò)膳食調查了解在校大學(xué)生膳食營(yíng)養狀況。 - Methods Dietary habit was investigated for pregnant women in Shenyang, and Dietary survey was made among some of them.
方法對沈陽(yáng)地區孕婦進(jìn)行飲食習慣調查，并選取其中部分孕婦進(jìn)行膳食調查。
