Ten men and eight women entered the MRI scanner with noise-reducing headphones, with instructions to simply listen passively to the music.

十个男性和八个女性带着降噪耳机接受了mri扫描，并按照指示简单被动地接受音乐。

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NASA is exploring another noise-reducing technology - this one for helicopters - that is going through a process of discovery similar to that for the chevron.

NASA正在探索另一项减噪技术——用于直升机——该技术正在经由类似于chevrons的过程以期揭晓。

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One of the most recent noise-reducing technologies shepherded through the research process by NASA and now making a difference on commercial jet engines is chevrons.

一项最新的减噪技术引领着NASA的研究进程，并使商业喷气式引擎焕然一新，这就是chevrons(译注——引擎喷口的锯齿状后缘设计)。

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Pacific island territory of Guam. The move,aimed at reducing noise and other complaints of the so-called U.S."footprint" on Okinawa will be underwritten with nearly $3 billion provided from Japan.

VOA: standard.2009.08.31

The latter is caused by HTC's penchant for applying noise-reducing blur -- essentially melting neighboring areas of like color into one so as to reduce graininess.

ENGADGET: HTC Sensation review Hands-on

The MEX-BT5000 acts as a hands free kit for any Bluetooth phone (although we're sure they'd prefer if it was one of their own), giving you access to up to 50 of your contacts and six of your speed dial entries through its "high resolution" screen and integrated noise-reducing micophone.

ENGADGET: Sony's MEX-BT5000 car stereo with Bluetooth

Over the years, the government has taken steps to address the problem, including regulating low-frequency noise like water pumps, and reducing maximum decibels.

BBC: Taiwan's noise pollution dilemma