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为了解本市小学生现时营养状况，为今后提高学生营养水平提供科学依据，现就１９９８年４—５月份本市小学生健康体检资料，进行营养状况个体评价，从中观察整体水平。１ 对象与方法１．１ 对象 资料来自铜陵市１９９８年小学生体质康监测数据。５所小学６７４９名在校学生?
To understand the current nutritional status of primary school students in the city for the future to provide students with a scientific basis for improving nutritional status, is now from April to May 1998 the city’s primary health examination information, nutritional status of individual evaluation, from the overall level of observation. 1 objects and methods 1.1 object data from Tongling 1998 primary health constitution monitoring data. 5 primary schools 6749 students in school?