这台机器是为偏远地区崎岖不平的道路和许多其他灾难而设计的。
A machine designed for remote areas with bumpy roads and a host of other calamities.
其维和部队需要直升机向偏远崎岖的地区输送电力和机动性，但却发现越来越难以恳请或借用到足够的数量。
Its peacekeepers need the power and mobility that helicopters offer in remote, rough places but find it increasingly difficult to beg and borrow enough.
这样就能解释为什么这些隆起处十分光滑而两极地区却崎岖不平了，说明他们是由细小的微粒组成的，这些微粒与在土星环上发现的很相似。
That would fit with observations that the ridges are very smooth compared with the rugged polar regions, implying they are made from fine particles similar to those found in Saturn's rings.
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