Humans always have noted natural events that repeat themselves.

人类总是在记录自然事件的重复。

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It is often erratic, especially in the shorter time frames, but it does display symmetrical patterns that repeat themselves over and over again.

它经常反复无常，尤其是短期时间内更明显，但它也会一次又一次地出现对称模式。

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By the same token, groups of individuals interacting with one another, day after day, week after week, also produce behavior patterns that repeat themselves.

同理，每天，每周，同样的群体会反复交涉，导致的行为模式也会不断重复。

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Our methodology focuses on supply and demand, historical capital spending, and pricing patterns that repeat themselves during every shortage and every downturn.

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