抗病毒软件
Virus protection soft-ware
Virus protection software
麦金塔专用 Symantec 防6毒软件
symantec antivirus for macintosh
装上防毒软件
install antivirus software
仿真硬件/软件系统
Simulation hardware and software system
构件软件
component-based software (CBS
component-based software
component-based software CBS
构件软件测试
Component-based Software Testing
构件软件技术
component software technique
构件软件系统
component-based software system