资料来源 : pyDict

质心

资料来源 : Webster's Revised Unabridged Dictionary (1913)

Centroid \Cen"troid\, n. [L. centrum + -oid.]
   The center of mass, inertia, or gravity of a body or system
   of bodies.

资料来源 : WordNet®

centroid
     n : the center of mass of an object of uniform density