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为了解石化公司所辖地Z儿童少年的营养状况，结合理膳食提供预见性资料，作者于1994年4月来用WHO推荐的身高标准体重法对6112名中小学生的营养状况进行了初步分析。l对象与方法1．1对象：采用整群抽样的方法将6所小学、5所中学的7～18岁6112名中小学生，作为测试对象，其中男生
To understand the nutritional status of Z children and adolescents under the jurisdiction of Petrochemical Company and to provide predictive data based on dietary rationale, the author conducted a preliminary analysis on the nutritional status of 6112 primary and secondary school students by using the standard height weight recommended by the WHO in April 1994. l Subjects and Methods 1.1 Subjects: A total of 6,121 primary and secondary school students from 7 to 18 years old in 6 primary schools and 5 secondary schools were enrolled in the study. Among them, boys