我们的宠物猫会以它们“咕噜咕噜”的叫声帮助均衡我们的振动，而狗狗则倾向于陪伴在左右，随时准备着亲近你，作为一个稳定器来行动。
Our cats help to equalize our vibration with their purr and dogs tend to be the steady companion, ready to be near you, acting as a stabilizer.
指出在隧道内，车体的横向振动加速度可减少30%左右。
It points out that in tunnel, the lateral vibration acceleration of the car body can reduce by about 30%.
在以往的研究过程中，主要发现电液伺服控制单元在零位时存在振动，左右行程不对称，精度和快速性达不到使用要求的问题。
In the previous studies, Central oscillation, asymmetry of left and right movement and insufficient precise and speed of response are the main problems of electro-hydraulic servo control unit.
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