The pair can then pass from virtual to real, leading to an outward flux of observable light and a corresponding decrease in the mass of the hole.

于是这对光子就会由虚转实，形成一股可观察到的向外光通量，而此时黑洞的质量也会相应下降。

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It abstracts a form of technology away from its original and real environment and delivers it in a virtual form to users.

它从原来的真实环境中抽象出资源的虚拟形式，以虚拟形式向用户提供资源。

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Soon they moved from the virtual world to hanging out together in real life.

很快她们就在现实生活中见面了，并且经常一起出去玩。

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Yet when Mr Checchi was obliged to beam down from the virtual world to the real one to attend a convention of the state's Democratic Party in Los Angeles on March 20th-22nd, he put on a dismal performance.

ECONOMIST: Al Checchi, politician as product

All that will then be needed to make the virtual office indistinguishable from a real one are virtual daggers to allow the avatars to stab one another in the back.

ECONOMIST: Information technology

Do spend time online making connections, but you must take a step from the virtual to the real world, if you want to land a job.

FORBES: Should Job Seekers Start Using Facebook Instead of LinkedIn?