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为了更好地了解近几年来乌海市海勃湾区小学生的营养发育状况，我们对１９９５～１９９８年部分小学生健康监测资料进行综合分析。现将结果报告如下。１ 资料来源１．１ 监测对象每年对海勃湾区小学生进行随机抽样，学校的健康学生为监测对象。１９９５～１９９８年共监测７
In order to better understand the nutritional development of primary school students in Haibowan District in Wuhai City in recent years, we conducted a comprehensive analysis of some primary school students’ health monitoring data from 1995 to 1998. The results reported below. 1 Source 1.1 Monitoring Target Every year, a sample of primary school pupils in Haibowan District is randomly sampled. The healthy students in the school are monitored. From 1995 to 1998, 7 were monitored