Metaprogramming has many uses in large-scale computer programming.

元编程在大型计算机编程中有许多用途。

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While your personal computer only keeps one copy of a file, large-scale services like Facebook rely on what are called content delivery networks to manage data and distribution.

虽然你的个人电脑只能保存一个文件的一个副本，但像 Facebook 这样的大型服务项目，则会依赖于所谓的内容分发网络来管理数据和分发。

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Large scale experiments are costly, so if we know that computer simulations are accurate, that opens the door to a whole new range of research possibilities.

大比例实验花费很多，所以如果我们知道计算机模拟是准确的，那就开启了一道通向全新的研究领域可能性的大门。

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Visitors to the Computer History Museum can also see parts of one of the earliest large-scale electronic computing devices.

VOA: special.2011.02.15

Presper Eckert , co-creator of the world's first large-scale computer, known as the ENIAC.

FORBES: Cyber Treasures For Sale

The Ohio Bar Association built the first large-scale computer legal research system in the late 1960s, using technology developed for the U.S. Air Force.

FORBES: Magazine Article

But experts say a successful, large-scale attack on U.S. computer systems could hobble electric-power grids, transportation networks and industrial-supply chains.

CNN: U.S. at risk of cyberattacks, experts say