If that doesn't help, try earplugs or other sources of white noise, such as fans.

如果这些没用的话，你可以试着用耳塞或者制造点白噪音(用以掩盖令人心烦的杂音)，例如开个风扇。

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Can adjust the speed steplessly with constant torque. such as fans, pumps and such instruments with decreasing load.

更适用于拖动转矩递减的离心式水泵和风机负载。

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Included in the show are photographs, clips of newsreel and documentary footage, African-American newspapers and periodicals, and "portable" culture such as fans, buttons, posters and pamphlets.

展览展出了图片、新闻短片的剪报、纪录片的脚本、非洲裔美国人的报纸和期刊，还有一些“便携式”的视觉文化产物，如扇子、小徽章、海报和宣传册。

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The riders and horses undergo rigorous training, including how to deal with the public in a variety of situations such as huge crowds of Olympic fans.

VOA: standard.2010.02.25

Ministers have already delayed the timetable for the bill amid concern from areas such as fans groups and, more recently, a Catholic bishop.

BBC: MSPs on justice committee back sectarian bill

Conventional cooling techniques such as fans and heat sinks do not work as well with the 3D technology, particularly as heat has to be drawn away from between the individual chips.

BBC: IBM aims to cool chips with water

For conference calls and chats, Tiki's Intelligent Speech Mode uses voice isolation to bring your voice to the forefront while noise-canceling technology simultaneously reduces unwanted, competing background noise such as computer fans, keyboard typing and ambient sound.

ENGADGET: Blue Microphones Tiki USB mic now available at Best Buy, coming to Apple stores July 15th