Ordinary search techniques proved unsatisfactory, so McKee entered into a collaboration with Harold E.Edgerton, professor of electrical engineering at the Massachusetts Institute of Technology.

普通的搜索技术不能令人满意，所以麦基与麻省理工大学电子工程教授哈罗德·E·埃杰顿合作。

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It proved to be a pretty difficult change for him, and while he can still crank out an amazing column with the best of them, the technology of newspapers passed him by.

事实上这个转变对他而言很难面对，然而他仍然很好的用这些新玩意儿写出了他最棒的专栏，报纸的新技术没有难倒他。

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Mice, keyboards and other peripherals have proved there is a market for technology that lasts, but perhaps there is also a market for technology that doesn't.

鼠标、键盘和其他外设证明了永存的技术市场的存在，但也许也该有个非永存的技术市场。

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In 2001, for example, it canceled a naval program and ended up delaying by several years a technology that was proved effective in tests two years ago.

FORBES: The Fed Fiddles...

In north-east Brazil, too, a sewerage system combining cheaper technology and community involvement has proved a runaway success.

ECONOMIST: Clean up��or risk many deaths

Battery technology has proved a major constraint on the ability to turn electricity (including electricity generated from renewable sources) into an efficient transportation fuel.

WSJ: The Experts: What Renewable Energy Source Has the Most Promise?