The effects of noise on the ability of children to learn effectively in typical classroom environments are now the subject of increasing concern.

噪音对儿童在平常课堂环境中的有效学习能力的影响是人们日益关注的问题。

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The researchers examined various levels of noise on participants as they completed tests of creative thinking.

研究人员查看了不同程度的噪声对参与完成创造性思维的人员的影响。

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A bit of background noise on the phone enables our ears to filter out echoes.

电话中稍加一点背景噪音，我们的耳朵就听不到电话中的回声。

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You should hear a clicking noise on the radio.

VOA: special.2010.12.08

I had my head in and was about to open the lantern, when my finger slid on a piece of metal and made a noise.

VOA: special.2009.05.16

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

Lemaitre has started to make a substantial amount of noise on the music scene.

FORBES: Lemaitre: The Business Of A Band Today

Specifically, how does a user filter out the important information (the signal) from the noise on Twitter?

FORBES: Twitter: Our Challenge Is Relevance

This technique attracts noise on the input, so a moving window averager is used to lowpass the noise.

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