| 释义 |
Necker cube
Necker cube (ˈnɛkə) na line drawing showing the 12 edges of a transparent cube, so that it can be seen alternately facing in two different directions: an example of an ambiguous figure[C19: named after Louis Albert Necker (1786–1861), Swiss mineralogist]Necker cube
Necker, Louis, Swiss physicist and mathematician, 1730-1804. Necker cube - line drawing in which 12 angles of the cube are visible.Necker cubePerspective drawing of the outline of a cube that can induce two perceptions, either a three-dimensional cube orientated upward or a three-dimensional cube orientated downward (Fig. N1). See Blivet figure; Rubin's vase; Schroeder's staircase. " > Fig. N1 Necker cube |