随着现代物质生活的极大丰富,我国居民膳食结构趋于合理化、多样化,更有利于满足人体对多种营养素的需要。但是,近年来,在全国各地的大中专院校和普通中学,有不少的青年学生,由于种种原因,因膳食营养不平衡而导 With the great enrichment of modern material life, the dietary structure of our residents tends to be rationalized and diversified, which is more conducive to meeting the human needs for various nutrients. However, in recent years, there have been many young students in colleges and universities and ordinary secondary schools all over the country who, due to various reasons, are led by the imbalance of dietary nutrition