The idea that we live in a hologram probably sounds absurd, but it is a natural extension of our best understanding of black holes, and something with a pretty firm theoretical footing.

我们生活在一张全息图中？ 这想法听起来荒诞不经，但却是对黑洞最佳理解的自然延伸，并具有坚实的理论基础。

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The idea of using of model programs and state space exploration is a natural extension of finite state machine based techniques that fits well with black-box testing of software.

使用模型编程与状态间隔探测的思想对于以软件黑盒测试技术为基础的有限状态机是一种自然的扩充。

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Windows Communication Foundation offers an amazing variety of extension points but due to limited documentation most developers treat it as a black box.

Windows Communication Foundation提供了种类繁多的扩展点，不过由于有限的文档，大部分开发人员把它们都视作无物。

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David Robson from the University of Illinois Extension says the best results come from moist, richly organic black soil.

VOA: special.2009.07.07

George Osborne has confirmed plans for a new superhospital for the Black Country, the extension of ultra-fast broadband to Coventry and the promise of major investment in the region's schools and motorways.

BBC: Can superfast Midlands speed-up economic growth?

Robert was supposed to come back with information about if the President supported an extension -- because we understand that CBC members as well as the Black Farmers were looking for an extension.

WHITEHOUSE: Press Briefing

It has just agreed an extension of the Black Sea fleet's lease in Sebastopol, in Ukraine.

ECONOMIST: Russia, NATO and Europe: Marching through Red Square | The