单词	length
释义	length (of a line segment) The length |AB| of the line segment AB, and the length of the directed line segment, is equal to the distance between A and B. It is equal to zero when A and B coincide and is otherwise always positive.
随便看	Conway, John Horton coordinate geometry coordinates coordinates coordinate system coordinate vector Copenhagen interpretation coplanar coplanar vectors coprime Coriolis force corollary correction correlation correlation matrix correspondence corresponding angles cosecant cosech coset coset cosine cosine rule cotangent coth

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