This paper describes the design of the ditch-type noise silence trough.

本文介绍了地沟式消声坑槽的设计。

youdao

They were randomly divided into four groups and exposed to various noise levels in the background, from total silence to 50 decibels, 70 decibels, and 85 decibels.

他们被随机分为四组，并被置于不同等级的背景噪音环境中，从完全寂静到有50分贝、70分贝和85分贝的噪音。

youdao

Since the effects were small, this may suggest that our creative thinking does not differ that much in response to total silence and 85 decibels of background noise.

由于影响很小，这也许就表明我们的创造性思维在完全寂静和有85分贝背景音中的区别并不那么大。

youdao

And now at the dead hour of the night, in the horrible silence of that old house, so strange a noise as this excited me to uncontrollable terror.

VOA: special.2009.05.16

All this helps create a system that encourages silence rather than noise.

BBC: How the NHS locks away its secrets

The Blackhawk lands here and, after the noise of the flight, the silence in Cameron is startling.

NPR: Cameron Parish Hit Hard by Hurricane Rita

The campaign, which launched last week and finishes on 28 February, is the store's attempt to turn down the white noise on modern living through meditation, silence and an awareness of loud branding.

BBC: Silence is golden at Selfridges