各向异性的伤演规律可由能量平衡及当量单参数方程所确定。
The anisotropic damage evolution law is obtained by the virtue of energy equilibrium and an equivalent singe variable equation.
单凸轮连杆组合机构可克服上述缺点,即可以方便地再现预定轨迹并有精确解,但其缺点是难以实现内凹曲线的轨迹复演。
Single CAM linkage mechanism can overcome the shortcomings mentioned above, however the new problem is that the mechanism can not generate the path which has concave curve.
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