1·Front wheel shimmy is the phenomenon that steering wheels vibrate around king-pin axis with a certain amplitude and frequency when the vehicle travels in a straight road.
前轮摆振是指汽车在平坦的路面上直线行驶时，转向轮以一定的幅度和频率绕主销持续振动的现象。
2·It is pointed out that con tents of researching on shimmy are different according to different classification criteria.
指出，按照不同的分类标准，转向轮摆振研究的内容也不同。
3·Incorrect tire inflation can cause many types of steering and braking difficulty. low pressure will cause hard steering frontwheel shimmy steering kickback and tire squeal on turns.
不适当的轮胎充气会引起多种类型的转向和制动障碍。压力低会使转向沉重，前轮摆振，转向回跳以及转动时轮胎发出噪音；
4·Shimmy is the main vibration form of the wind turbine tower, which may cause bigger vibration amplitude on top of the tower.
摆振是风力机塔架的主要振动，造成塔架顶端振幅较大。