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为了解和掌握我市儿少的生长发育规律,制定我市儿少发育标准,为进一步作好儿少卫生保健工作提供科学依据,我站于一九八○年九、十月间,对6~17岁在校学生的生长发育状况,作了一次调查,现将调查情况报告如下: 一、对象和方法严格按照《省儿少体质发育监测方案》的各项规定,按随机抽样的原则和正群分层
In order to understand and grasp the laws of the city’s growth and development of children and adolescents, develop the city’s children and adolescent development standards, to provide better scientific basis for further work on children’s health care, I stood in September and October 1980, against 6 ~ 17 years old school students in the growth and development status, made a survey, the investigation is now reported as follows: First, the object and method in strict accordance with the “Provincial Children less physical development monitoring program,” the provisions of the random sampling principle and is Group layered