The global financial system has been crashing more frequently over the past 30 years than in any comparable period in history.

在过去的30年里面，全球金融系统的冲突要比历史上任何时期的都更加频繁。

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Over the past 50 years humans had changed ecosystems more rapidly and extensively than any comparable period in human history.

在过去50年中，人类对生态系统的改造比历史上的任何时期都更为迅速而广泛。

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It is recommended that all crane records be duplicated and kept for a comparable period of time as required for other project records.

建议将所有的吊车记录备份并象其它项目文件一样保存一定的时间。

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The dollar has plummeted more in Bush's term than during any comparable period of US history.

布什执政期间，美元继续暴跌,这在美国历史上绝无仅有。

斯坦福公开课 - 经济学课程节选

The last time inflows over a comparable period were higher was Dec. 08-Feb. 09.

FORBES: Where The Money's Flowing

This is the highest level for a comparable period since the first half of 2007.

FORBES: Whither Japan Stocks: Asian Buying Supporting the Market

The average self-pay monthly churn rate fell to 1.8%, from 2% in the comparable period last year.

FORBES: Earnings Season