在实际使用中，望远镜有上限和下限放大率。

There are practical upper and lower limits of power for telescopes.

youdao

在缺省情况下，所有的专用分区都是有上限的。

All dedicated partitions are capped by default.

youdao

你能稍微奢侈一点吗？你的预算是否有上限？

Can you afford to splash out a little? Is your budget unlimited?

youdao

I'm sure there's some upper limit as there are to most things, like if we think of wavelengths and different types of light, there is so large that you can get, but you would be approaching that level.

我确信对于大多数事物,都会有一个上限，就像我们考虑波长和不同的光时，那个太大了，但是你可以接近那个量级。

麻省理工公开课 - 化学原理课程节选

It says that function, f of x, is bounded above here's an upper limit on it, that this grows no faster than quadratic in n, n squared.

这意味着这个方法f是有上限的,这个方法增长的速度,不会比括号内的n*n快。

麻省理工公开课 - 计算机科学及编程导论课程节选