(noun.) strange and unconventional behavior.
(noun.) a circularity that has a different center or deviates from a circular path.
(noun.) (geometry) a ratio describing the shape of a conic section; the ratio of the distance between the foci to the length of the major axis; 'a circle is an ellipse with zero eccentricity'.
录入:莉娜
编辑:帕特里克