Overweight and obese primary school pupils of the lung capacity is higher than normal weight, while the vital capacity index was significantly lower than the normal weight students.
超重、肥胖小学生的肺活量高于正常体重小学生，而肺活量指数明显低于正常体重小学生。
To compare the effect of helium-oxygen mixtures containing 80%helium or 60%helium on vital capacity(VC) and related index.
比较含80%氦和含60%氦的氦氧混合气体对肺活量及其相关指标的影响。
The result shows:The vital capacity of body weight and the stair experiment index remarkably are connected with the university student's physical activity frequency and the intensity.
结果为：大学生肺活量体重指数和台阶试验指数均与体育锻炼频率和强度显著相关。
AIM: To compare the effect of helium-oxygen mixtures containing 80% helium or 60% helium on vital capacity (VC) and related index.
目的：比较含80%氦和含60%氦的氦氧混合气体对肺活量及其相关指标的影响。
AIM: To compare the effect of helium-oxygen mixtures containing 80% helium or 60% helium on vital capacity (VC) and related index.
目的：比较含80%氦和含60%氦的氦氧混合气体对肺活量及其相关指标的影响。
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