Establishment of coordinate system and measurement of digitized human cerebrum;

Data organization in geomagnetism and space physics and relevant coordinate systems;

A kind of choice method of the GPS control networke coordinate system;

The explore of workpiece coordinate setting and tool aligning methods in CNC machining;

Conversion between GPS data and earth coordinate system in China;

Firstly,a new coordinate is based by rotating the original coordinate.

Study on SVPWM algorithm of N-level inverter in non-orthogonal coordinates;

Research on the Comparison and Application of Coordinates in NC Machine;

The three-dimensional object representations by object coordinates;

Coordinate transformation between different reference frames was used to calculate the coordinates of characteristic points on tube.

In this paper, starting from the definition of kinetic energy,and by establishing the inertial frame and the reference frame,we have a discussion of the kinetic energy of rigid body and get some conclusions on kinetic energy of rigid body simply in rotation.

This essay aims on discussing the signification of mechanical reference frame,machine tool reference frame,workpiece\'s reference frame and local reference frame and the relationship between them in numerical control processing.

Study of GIS Software Coordinate Systems;

In order to speed up the construction of "Digital-city" and strengthen the management coordination as well as information sharing between Municipal Bureau of Planning and Municipal Bureau of Land Resources,the so-called "Twin Map Coordinate Systems" project was carried out in Guangzhou city using the Guangzhou Coordinate System and the Xian Coordinate System 1980.