Problems regarding nonlinear natural vibration of pendulum spring under foundation displacement excitation are studied.

研究基础位移作用下悬挂弹簧的非线性固有振动问题。

youdao

Problems regarding nonlinear natural vibration of pendulum spring under foundation displacement excitation are studied.

研究基础位移作用下悬挂弹簧的非线性固有振动问题。

youdao