Another classic sign of a speculative price peak was the sudden appearance of copper inventories where none were thought to exist.

投机价格峰顶的另一个代表性标志就是土壤突然出现的铜储备，而且没有人预料到铜储备的存在。

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Nor is there any sign of a big pickup in commodity prices; the Dow Jones AIG index is above its recent low on March 2nd but is still less than half last July's peak.

3月2号的道琼斯aig指数超过了最近的低点，但仍不足去年6月峰值的一半。

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With these factors in mind, one of the better approaches is to determine the absolute highest possible 'peak' power consumption of a given sign.

考虑到这些因素，其中一种比较好的测量方法就是，确定标识的最高功耗值。

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But anyone taking an objective view of self-publishing can see that it shows every sign of reaching the Peak of Inflated Expectations.

FORBES: Self-Publishing's Place On The Hype Cycle

Fixed investment, which is about 12% of GDP, shows a very modest sign of recovery and still stands nearly 22% below its peak level nine quarters ago.

FORBES: America's Two Economies

In a 20-year period, Cape ostrich feathers tripled in value, and at their peak their price per pound was almost equal that of diamonds--in hindsight, a sure sign of a bubble economy.

FORBES: The Ostrich Feather Crisis