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为了解宾川县小学生营养状况，我们于1992～1998年对宾川县城区小学生营养状况进行了追踪观察，现将结果报道如下。1对象与方法1．1对象：宾川县城区内牛井一小、二小7～13岁学生。1．2方法：每年4月份依据1991年《学校卫生情况年报表填报说明及技术规范》，准确地测出每个学生
To understand the nutritional status of primary school students in Binchuan County, we conducted a follow-up observation of the nutritional status of primary school students in Binchuan County from 1992 to 1998, and the results are reported as follows. 1 objects and methods 1.1 Object: Binchuang Niu Jing a small, two small 7 to 13-year-old students. 1.2 Methods: April each year in 1991 according to “school health conditions report and technical specifications” to accurately measure each student