According to the factor analysis, the factor consists of four latitudes: studies load, companion's relationship, school life and teacher-student relationship.
根据因素分析得出，初中生学校心理压力源的因素由四个纬度构成：学业负担、同伴关系、校园生活、师生关系。
Finally, this study analysised the asphalt mixture fatigue damage evolution process of stress control mode and established a relationship between unit load fatigue damage rate and the fatigue life.
最后，本研究分析了应力控制模式下沥青混合料疲劳试验过程中的损伤演化规律，建立了单位加载疲劳损伤率与疲劳寿命之间的关系式。
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