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Wikipedia

Hypercube:

In geometry, a hypercube is an "n"-dimensional analogue of a square ("n" = 2) and a cube ("n" = 3). It is a closed, compact, convex figure whose 1-skeleton consists of groups of opposite parallel line segments aligned in each of the space's dimensions, perpendicular to each other and of the same length.

超方形:

在几何学中，一个超方形(Hypercube)（又叫立方形、正测形(Measure Polytope)）是指正方形和立方体的"n"维类比（对于正方形，"n"=2，对于立方体，"n"=3）。