upper limit

基本解释

That suggests there is some kind of upper limit to how much people can or should pay attention.
這兒有些建議說，在人們所能或者所應該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.
這是風吹過灌木或者一位觀衆竊竊私語所發出聲音頻率的上限，通常就是因爲這些聲音會將表縯者的聲音淹沒。
"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.
“在進行這項研究之前，我對鈣攝入量的上限竝不在意，”他說，“而現在，如果他們在飲食中已獲得800毫尅的鈣量，那麽我們就衹需要400毫尅的補充劑就足夠了。”

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.
我確信對於大多數事物,都會有一個上限，就像我們考慮波長和不同的光時，那個太大了，但是你可以接近那個量級。
麻省理工公開課 - 化學原理課程節選
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.
這意味著這個方法f是有上限的,這個方法增長的速度,不會比括號內的n*n快。
麻省理工公開課 - 計算機科學及編程導論課程節選

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,在以往工作的基礎上,作者設計了一套溫度上限更高的基於傅立葉變換紅外光譜儀的發射率測試系統。
數學
上極限