摘要
对于ＣＡＤ中具有对称性质的任意图形，文中给出了图形对称展开的算法及具体的实现过程。
The feature and infecting method of the CMOS virus are discussed,and the methods of killing the CMOS virus in software and hardware are also given.
出处
《电子科技》
1997年第3期41-44,共4页
Electronic Science and Technology
