In order to realize loyally reproducing of the original, this subject regards open color management as guidelines, and realizes whole course of color management from scanner input to printer output.

This page aims at developing a graphic system that can meet requirements of SCADA in power systems and create graphic files in SVG format under the guidance thinking of the universal graphic platform.

In this topic, a new CO2 arc welding power source is researched which is based on the technology of microcomputer and wave control.