straight-line oscillation

例句：

1. 1.The engine's straight-line oscillation is causing the car to shake violently.
   发动机的直线振荡导致汽车剧烈摇晃。
2. 2.The scientist conducted experiments to study the straight-line oscillation of a pendulum.
   科学家进行了实验来研究摆的直线振荡。
3. 3.The physicist explained the principle behind the straight-line oscillation in his lecture.
   物理学家在他的讲座中解释了直线振荡的原理。