目的通过对河南省南阳市和安徽省安庆市农村中老年居民的膳食调查，比较两地食物消费模式的异同。
Objective To investigate and compare the different styles of food consumption in Nanyang City, Henan province and Anqing City, Anhui province.
目的通过对河南省南阳市和安徽省安庆市农村中老年居民的膳食调查，比较两地食物消费模式的异同。
Objective To investigate and compare the different styles of food consumption in Nanyang City, Henan province and Anqing City, Anhui province.
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