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随着人民生活水平的提高,人们的膳食结构发生了很大变化,儿童的营养状况有了明显的改善。但是,目前在儿童中仍存在着许多营养问题,如肥胖、营养不良、贫血等。因此,为了解小学生营养状况及变化趋势,为指导合理营养提供依据,我们对生源较为广泛的天津市实验小学进行...
With the improvement of living standards of the people, great changes have taken place in the dietary structure of the people and the nutritional status of the children has been significantly improved. However, there are still many nutritional problems in children, such as obesity, malnutrition, anemia and so on. Therefore, in order to understand the nutritional status of primary school students and trends, in order to provide a basis for the guidance of reasonable nutrition, we have a relatively wide source of students in Tianjin Experimental Primary School ...