Although publication of the paper would disturb a three-decade status quo, things may not change quickly.

尽管论文的出版会扰乱三十年不变的现状，但是事情还不会变得太快。

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There is also a looming shortage of qualified nuclear engineers, after the three-decade hiatus in building new plants.

三十年未曾新建核电站，该国亦隐现短缺能胜任的核能工程师。

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That period was chosen largely because the U.S. National Weather Service USES a three-decade period to define "normal" or average temperature.

选择这一时间段作为参考是因为，美国国家天气服务局将30年定义为“正常参考值”或平均气温。

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"So condoms are the seat belts of AIDS." According to the Britain-based HIV Charity the Terence Higgins Trust, over 7,000 people were diagnosed with HIV in the UK in 2008, that's almost three times the number a decade ago.

VOA: standard.2010.03.02

Currently the labour force participation is close to a three decade low.

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When Egyptians descended on Tahrir Square in early 2011, rising against Mubarak's near three decade rule, they did not expect he would be replaced by a "carbon copy, " Gamal said.

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Nationally, the unemployment rate remains near a three-decade low, the federal government still has a budget surplus and over the past three months consumer confidence has risen, according to the Conference Board, a business lobby.

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