方法依据中国居民膳食指南，选择构成膳食平衡指数的食物组的单项指标。
Method The Dietary Guidelines for Chinese Residents motivated the selection of food-based components.
膳食结构的调查采用食物频率表，评价采用量化分等级、中国膳食平衡指数的方法；
The diet of elders were interviewed using food frequency questionnaires. The rank comprehensive evaluation and Chinese Diet Balance Index (DBI) were selected to evaluate their dietary patterns.
膳食平衡指数法发现医学生的主要膳食问题是动物性食物、蔬菜水果、奶类摄入不足。
The way of Dietary Balance Index found inadequate intake was the main dietary problem, mainly animal food, fruit, vegetable and milk.
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