此试件应使用与原始试验相同的焊接参数进行焊接，并且仅对焊接金属冲击试样进行试验。
This test piece shall be welded using the identical welding parameters as the original test and only weld metal impact test specimens shall be tested.
继而为寻求冲击噪声与剁削运动参数间的关系进行了试验研究，并得到了它们间的定量表达式。
Experimental study was carried out to determine the relationship be - 'ween impact noise and shock cutting parameters, a quantitative expression was formulated.
同时根据材料强度理论和动态强化规律推导出材料微观结构参数与冲击速度之间的关系。
Meanwhile, the relationship between the material microscopic structure parameter and the impact speed has been concluded according to the material strength theory and the dynamic strengthened rule.
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