CHEN Yu, ZHONG Xian-Xin, LI Kai, XIAO Sha-Li . Research Achievement on MS CAD[J]. Editorial Office of Optics and Precision Engineering, 1999,(6): 1-5DOI:
The development of CAD tool used in the research and design of microsystems is very important. The modeling levels of a CAD system is discussed in this paper
the research situation of several CAD program at present is introduced
and also two essential problems existing in this research area are pointed out.