综述桌面安全系统的国内外研究现状，阐述课题的研究背景和意义。

Summary present situation of desktop security system in domestic and oversea, researching background and significance.

youdao

综述桌面安全系统的国内外研究现状，阐述课题的研究背景和意义。

Summary present situation of desktop security system in domestic and oversea, researching background and significance.

youdao