目的调查我国青年健康男子的体成分和骨密度(BMD)，为骨质疏松预防、诊断、治疗提供科学依据。
Objective To investigate the body components and bone mineral density (BMD) in healthy young men, providing the basis for the prevention, diagnosis and treatment of osteoporosis.
采用心理健康诊断测验(MHT)，在重庆市选取4 ~ 6年级小学生共829名进行了调查。
With Mental Health Test (MHT), the authors investigated a Sample of 829 pupils from grade 4 to 6 in Chongqing.
方法：采用自拟的中学生亚健康诊断标准对受测中学生进行现场调查。
Methods: Used the self-compile diagnose criterion to investigate the situation of Subhealth of the middle school students.
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