HARPS能检测到到由像地球一样小的行星引起的轻微的引力摇摆，只要它们无限接近运行轨道。

HARPS can detect the slight gravitational wobble caused by planets as small as Earth, if they have incredibly close-in orbits.

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这些类似于超载列车摇摆的波动，在本周早些时候造成了最过热的资产市场中的两个――商品市场和新兴市场的轻微振荡。

Such unsteadiness, like the swaying of an overcrowded train, caused a minor crush in commodities and emerging markets, two of the most overheated asset classes, early this week.

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