图7. 不平衡激励与扭转激励共同作用下任意斜裂纹转子的不平衡振动响应($\theta_{1} =45^{{\circ}}$, $\theta_{2} = 90^{{\circ}})$
Fig. 7. Unbalance response of the arbitrary slant crack rotor with torsional excitation: $\theta_{1} = 45^{{\circ}}$, $\theta_{2} = 90^{{\circ}}$