The crack-tip dynamic stress intensity factors decrease with the decrease of the crack length and the increase of the functionally gradient parameter.
无论在什么时刻，裂尖处动态应力强度因子随裂纹的长度减小而减小，随板材料的功能梯度参数增大而减小。
From the study and application of elastic parameter, it is found that the dynamic factors put large effects on the solution of rock mechanics.
弹性常数的研究及其应用得出：动态参数对解决岩石力学问题更为有效。
From the study and application of elastic parameter, it is found that the dynamic factors put large effects on the solution of rock mechanics.
弹性常数的研究及其应用得出：动态参数对解决岩石力学问题更为有效。
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