What marked out this period was a greater range of recorded temperatures, suggesting it was a time of rapid but short-lived fluctuations in climate.
气温变化周期是根据氧同位素测定的大量远古温度记录而推演出来的。 气温变化周期与人类演化进程的对照，暗示“黄金时期”与气候急剧波动而短暂的时期相对应。
John Lott of the University of Maryland argues that short-term fluctuations in the crime rate are fairly idiosyncratic, and that trends should be observed over a longer period.
马里兰大学的约翰·洛特认为短期内犯罪率的浮动有一定特殊性，而想掌握犯罪趋势则应通过长期的观察。
If no tremendous changes occur during the financial crisis and recession, the exchange rate of RMB would be, addition to small fluctuations, steady in a foreseeable period.
如果全球金融危机和经济衰退不出现特别大的变化，那么在可预见的一段时间内，人民币不排除有小幅波动，但会处于一个基本稳定的状态。
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