| Subject | English | Chinese simplified |
| comp., MS | coordinate system | 坐标系统 (In n-dimensional space, a set of n linearly independent vectors anchored to a point (called the origin). A group of coordinates specifies a point in space (or a vector from the origin) by indicating how far to travel along each vector to reach the point (or tip of the vector)) |
| comp., MS | ellipsoidal coordinate system | 椭圆坐标系 (A coordinate system in reference to a flattened sphere) |
| comp., MS | planar coordinate system | 平面坐标系 (A system of coordinates in reference to a planar space) |