更能说明问题的是，尽管极地号是在2002年夏天到2005年夏天这段时间执行的任务，但发现新等足类动物的速率在这之后并没有下降。

More to the point, though, is that as Polarstern pursued its mission during the summers of 2002 and 2005, the rate at which new isopod species were discovered did not decline.

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这些地区大部分在极地，信使号在做环绕飞行时将试图拍摄那些地区。

Those areas are largely at the poles, and Messenger will attempt to make images of them during its orbital mission.

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在对“极地海洋”号的主要柴油发动机的检查中发现，该船有33个汽缸组件被过度磨损。

Inspections of the Polar Sea's main diesel engines revealed excessive wear in 33 cylinder assemblies.

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