On the other hand, wireless is used more and more abroad. The limited spectrum resource is lack increasingly.

另一方面，无线电使用越来越广泛，有限的频谱资源日益显得紧张。

youdao

We wanted to take into consideration printing to a monochrome palette, which might have a limited spectrum of grays.

需要考虑在单色打印机上进行打印的情况，这种打印机只使用有限的灰色色谱。

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To accommodate more users with limited spectrum, the radius of new cellular will be much smaller, the factor of spectrum reuse will be more tight.

为了在有限频谱范围内满足更多的用户需要，通信系统的蜂窝半径越来越小，频率复用密度越来越高。

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But there is a limited amount of radio frequency spectrum available.

VOA: special.2010.03.19

There are those who believe new technologies will enable us to overcome this obstacle of limited spectrum.

FORBES: More Broadband Spectrum: Who Benefits?

And without prices we cannot know what is the most effective or efficient use of that limited spectrum.

FORBES: How To Solve The Spectrum Shortage: Sell It

Only so many people could broadcast on the limited spectrum available.

FORBES: Press TV and the Freedom of the Press