topocentric

a. 以地面上的某点为中心(测定)的,地面点的

释义与例句

adj.
  1. 1.

    Relative to an observer; that is, relative to a point on the surface of the Earth; said of a frame of reference, of a coordinate system, or the like, or of motion or position within such.

词源

From topo- + -centric.

来源：wiktionary