It was the first-ever soft landing on the previously uncharted area of the lunar surface.

这也是人类探测器在此区域的第一次软着陆。

Except for a few uncharted areas, the novelists knew where they stood (whether or not they liked it) and so did their readers.

除了一些不被人所知的领域外，小说家们了解自己的立场（不管他们喜欢与否），读者也同样清楚自己的位置。