“信使”号将成为第一个绕水星飞行的航天器，它也是1975年“水手10号”接近水星后的第一次近水星探测活动。

Messenger will become the first spacecraft to orbit Mercury and the first mission there since Mariner 10 in 1975.

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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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水星磁场同地球的磁场一样，这在2008年信使号的一次近水星飞行中被证实了。

That it was like the Earth’s was confirmed in 2008 on one of Messenger’s fly-bys.

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