也许是土星环上的结冰物质落在了卫星上，在它们的赤道附近堆积了起来造成了隆起。
Perhaps icy material from the rings fell onto them, piling up near the equator to form the ridges.
1851年，众所周知，地球旋转：包括地球观测证据的测量极地和赤道扁平隆起。
In 1851 it was well known that Earth rotated: observational evidence included Earth's measured polar flattening and equatorial bulge.
1851年，众所周知，地球旋转：包括地球观测证据的测量极地和赤道扁平隆起。
In 1851 it was well known that Earth rotated: observational evidence included Earth's measured polar flattening and equatorial bulge.
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