Researchers call the type shown here a "sinuous" rille, exhibiting strong meanders.

因为有强烈的曲折，研究人员将这种类型的称为“蜿蜒”山谷。

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But in one, a formation known as Cobrahead, on the Aristarchus Plateau at the edge of the Ocean of Storms, Clementine's cameras saw a definite reddening of a sinuous feature called a rille.

ECONOMIST: A transient success