Calculation of bolt group connection between hot-rolling channelbar and armor plate shows that nonlocal elastic medium's elastic parameters for joint interface are all time-varying.

热轧槽钢、钢板螺栓组连接的工程实例计算表明：结合部非局部弹性介质弹性参数皆为时变参数；

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Calculation of bolt group connection between hot-rolling channelbar and armor plate shows that nonlocal elastic medium's elastic parameters for joint interface are all time-varying.

热轧槽钢、钢板螺栓组连接的工程实例计算表明：结合部非局部弹性介质弹性参数皆为时变参数；

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