起动是否平稳，有无台阶感、振动的翻译：Start is smooth, there is no sense of height and vibration 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

Start is smooth, with or without a sense of height, vibration

Start is smooth, there is no sense of height and vibration

Starts whether steadily, whether there is stair feeling, vibration

whether it is a smooth, and there is no start-up stairs, vibration sense

Start is smooth, there is no sense of height and vibration