国民体质状况和变化发展趋势不是孤立存在的社会现象。
The national fitness condition and the development tendency are not isolate social phenomenon.
导致学生体质健康状况不良的原因主要有：健康意识不强；
Reasons for their bad healthy situation are mainly: poor health consciousness;
导致学生体质健康状况不良的原因主要有：健康意识不强；
Reasons for their bad healthy situation are mainly: poor health consciousness;
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