The fatigue is the main damage appearance in road surface structure. The character of re-fatigue of road surface material directly relate to it's service life.
疲劳破坏是路面结构损伤的主要现象，路面材料的抗疲劳性能直接关系到路面的使用寿命。
After the investigation of body exercise inducement mood, there are obvious changes between the previous and post appearance of heartsease, physiological fatigue and the enthusiasm.
在锻炼诱导情绪各方面维度调查中发现，活力激发前后比较具有显著差异，身心平静、生理疲惫、积极投入前后比较具有非常显著差异；
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