upper limit

基本解释

That suggests there is some kind of upper limit to how much people can or should pay attention.
这儿有些建议说，在人们所能或者所应该得到的注意力集中程度是有上限的。
That is the usual upper limit of the noise of wind rustling through bushes and of the murmurs of an audience, which might have drowned the actors out.
这是风吹过灌木或者一位观众窃窃私语所发出声音频率的上限，通常就是因为这些声音会将表演者的声音淹没。
"Prior to this study, I wasn't as concerned about the upper limit of calcium intake, " he says. Now, "if they are already getting 800 mg. or so in their diet, then we only need a 400 mg.
“在进行这项研究之前，我对钙摄入量的上限并不在意，”他说，“而现在，如果他们在饮食中已获得800毫克的钙量，那么我们就只需要400毫克的补充剂就足够了。”

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

The Case-Shiller measure has no upper limit and gives more weight to higher-priced homes.
ECONOMIST: Is the worst over for America's economy?
The U.S. is approaching the upper limit of what it can spend on health care.
FORBES: How Venture Capital Helps Drive Up Health Care Costs

上限
And so, based on past work, the author designed a higher temperature upper limit emissivity test system based on FT/IR.
因此,在以往工作的基础上,作者设计了一套温度上限更高的基于傅立叶变换红外光谱仪的发射率测试系统。
数学
上极限