That's not a problem, Kish says: transistors can be a good source of noise when operated at low voltage, and we can already fit billions of them on a chip.

这不是个问题，Kish表示：晶体管运作在低压时是噪音的良好来源，而我们已经可以在一个芯片上集成数十亿的晶体管了。

youdao

After months of observations, he noticed that one unidentified yet persistent source of noise was coming from the direction of the constellation Sagittarius.

经过几个月的观测之后，他注意到一个来自人马座方向的无法识别，但一直持续不断的噪声源。

youdao

Whatever the source of noise, one thing is certain: Silence, it seems, has become a golden memory.

无论何种噪声源，有一点是肯定的：宁静似乎已成为金色的回忆了。

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Mr. Bahtiarian says the main source of noise pollution is the propeller.

VOA: special.2011.06.29

What was once considered noise pollution could soon become a green source of energy.

FORBES: Written by Bryan Nelson

On televisions, this is achieved via a small set-top box -- a prototype of which approaches the size and noise level of a mini-fridge -- that plugs into the video source and the TV and converts the video in real-time with virtually no latency.

ENGADGET: Switched On: The old adventures of new 3D