These "thought experiments" were pages of calculations signed and submitted to the prestigious journal Annalen der Physik by a virtual unknown.

这些“思想实验”是几页纸的计算，由一个虚拟的未知者签名并提交给著名的《物理学年鉴》杂志。

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A virtual unknown in English football, Wenger had much to prove when he moved from Japan to North London 11 years ago.

11年前，在英格兰足球界毫无名气的温格，当他从日本来到北伦敦的时候，还有很多东西需要证明。

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Virtual Sandbox is a secure software system designed to allow unknown or untrusted programs to be run in an isolated environment without access to personal files, local networks, and system Settings.

虚拟沙盒是一个安全的软件系统，旨在使不明或不信任的程序运行在一个孤立的环境中获得的个人档案，本地网络和系统设置。

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Australia's only fit specialist spin bowler is the 25-year-old off-spinner Jason Krejza, a virtual unknown.

BBC: India name Ganguly in Test squad

In late June 1942, Eisenhower arrived in London as a virtual unknown to the world.

FORBES: Start the Way You Mean to Finish - Be Like Ike

He was a virtual unknown to the general public and went into the tournament regarded as just another promising baseliner.

BBC: French Open | Men's seeds