Babies do not grow at a steady rate but in stops and starts.

婴儿成长的速度并非一成不变，而是长长停停，停停长长。

《牛津词典》

They drove at a steady rate.

他们以平稳的速度开车。

youdao

He imagined a channel in which information is sent at a steady rate.

他设想信息通过某个路径以一个稳定的速度传递。

youdao

The angle is increasing at a steady rate, so we know it's going at a steady speed.

转过的角度以恒定速率增加,所以我们知道它以一个恒定的速度运动

耶鲁公开课 - 基础物理课程节选

You can never expect or plan on making a lot of money up front, but we have grown at a steady rate.

FORBES: Stay-At-Home Parents Choose to Start Businesses Instead of Returning to Work

On the new plan, Jackson's weight dropped at a steady rate.

CNN: Why you really should get 'Fit By 40'

Many scientists believe there is a set limit to lifespan because the body's organs and tissue begin to wear out at a steady rate over time.

BBC: How old can we get?