Though the first set—{1,6,2}—intuitively seems more random than the second—{3,3,3}, they are each as likely to occur, and thus according to the accepted definition, must be considered equally random.

虽然第一个集合——{1,6,2}直观上看起来比第二个集合——{3,3,3}更随机，但它们都有可能发生，因此根据公认的定义，必须被认为是同等随机的。

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Finally, the good reader has at his command several special skills which he can apply to reading problems as they occur.

最后，优秀的读者掌握了几种特殊的技巧，当出现阅读问题时，他可以运用这些技巧。

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The brain is as active during REM (rapid eye movement) sleep when most vivid dreams occur as it is when fully awake, says Dr. Eric Nofzinger at the University of Pittsburgh.

匹兹堡大学的艾瑞克·诺夫辛格博士说，大脑在快速眼动睡眠期和完全清醒时一样活跃，大多数最生动的梦都发生在这个时候。

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Byrs says this is extremely worrying as more rain and more flooding is sure to occur.

VOA: standard.2009.09.05

So, he writes: To the psychologist alone can such questions occur as: Why do we smile when pleased and not scowl?

他这样写到：,对哲学家本身说,会出现这些问题：,为什么开心时我们微笑而非皱眉？

耶鲁公开课 - 心理学导论课程节选

In the immune system you could think of it as an even more complex set of outcomes that occur.

免疫系统是一个,有更多复杂结果的大集合

耶鲁公开课 - 生物医学工程探索课程节选

Catastrophe would ensue as a result of the ripple-effect that would occur as widespread disruptions occur in the supply of electrical power to other infrastructures that depend on it to operate.

CENTERFORSECURITYPOLICY: An avoidable catastrophe

One level is the short term--what should we be doing immediately so that some of the really bad things we have seen won't be as easy to pull off or as likely to occur, such as the Madoff case.

FORBES: About Harvey Pitt

Food poisoning is a notifiable disease, we only hear about five per cent of the notifications as actually occur.

BBC: INTERVIEW WITH SIR LIAM DONALDSON, CHIEF MEDICAL OFFICER