depressed rural areas的用法和樣例：
例句
- The effect evaluation of health education on mothers'rearing practices in the poor areas.
健康教育對貧困農村母親養育行為影響的效果評價。 - Objective In order to improving obstetrical level, intrapartum health care was investigated in poor areas of Ning Xia Countryside.
目的為了提高寧夏貧困農村地區的產科質量，對寧夏貧困農村地區產時保健工作做了初步探討。
