以下为句子列表：
英文: Basing on the method of approximate mechanics, the mechanical behavior and fatigue fracture characteristic of steel bridge asphalt mixture surfacing under repeated load was analyzed.
中文: 摘要采用力学近似方法，对钢桥面沥青混合料铺装层在循环荷载作用下的力学行为和疲劳损伤特性进行了理论分析。
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