North source anti-virus system constitute an important component of HDGUARD & VRV, are an object-oriented all-Chinese windows antivirus software, including DOS and WINDOWS versions.
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- 北信源反病毒体系的重要构成部分 HDGUARD&VRV ,是一种面向对象的全中文窗口杀毒软件,包含DOS及WINDOWS版本。