Coordinate axis
Coordinate axis - a numerical axis used to construct a coordinate system, which allows you to uniquely identify the position of a point by specifying its coordinates.
In the Cartesian coordinate system, a set of n number axes called coordinate axes, each of which is two perpendicular to each other, and which are zero at the selected origin. The first three axes are often marked:
The minimum number of axes of the coordinate system n needed to uniquely identify each point determines the so-called. space dimension.
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