Angol | Francia |
---|---|
cross-ratio (a special number associated with an ordered quadruple of collinear points, particularly points on a projective line, and preserved by the fractional linear transformations) noun [UK: ˈkrɒs ˈreɪ.ʃɪəʊ] [US: ˈkrɑːs ˈreɪ.ʃiˌo.ʊ] | birapport◼◼◼nom {m} |