To study the subjective fatigue and its influence on electrocardiographic abnormality among highway maintainers.
了解养路工的主观疲劳状况，并探讨其与心电图异常的关系。
The nondimensional force fatigue had widely applied ranges and well veracity. The combination of nondimensional subjective and objective evaluations was the optimal fatigue evaluation method.
无因次力疲劳评价有较广泛的适用范围和较好的准确度，与主观疲劳评价相结合是最佳方法。
The results indicated that:the maximal oxygen uptake of junior players was related to their subjective perception of fatigue, and the value of R.
结果发现：少年运动员的最大摄氧量与疲劳主观感觉有关，其最大摄氧量负荷时的R。
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