测试结果表明：惯性载荷和冲击力等突加载荷的动荷系数都大于2，因此是不能忽略的。
The test result shows that the dynamic load factor of the suddenly applied load such as the inertial load and the impact load is larger than 2, and so cannot be ignored.
此时因为静摩擦系数比动摩擦系数高，所以静摩擦的附着力较大。
The coefficient of friction for static contact is higher than for dynamic contact, so static contact provides better traction.
给出了动应力集中系数的计算表达式。
The expression for calculating dynamic stress concentration factor is presented.
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