Some analysts already believe that Russian military doctrine allows for the use of a single "de-escalatory" nuclear strike, in case of a conventional war, to force the other side to stand down.

一些分析师已经确信，俄罗斯军事原则允许在常规战争中使用一次“降温”核打击，迫使对方停止行动。

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"There's a doctrine called 'fair use', which we believe to be challenged in the courts and would bar it altogether, " Mr Murdoch told the TV channel.

BBC: Murdoch may block Google searches

This doctrine leading them to believe after black came up the twentieth time that there was not a chance in a million of another repeat.

FORBES: The Hot Hand Fallacy