系统常驻 meaning in Chinese

system residence

Home edition contains resident protection of the computer file system and a resident module for e - mails and news
Home edition包含计算机文件系统常驻防护模组和e - mail常驻防护模组
Professional edition contains resident protection of the computer file system and a resident module for e - mails and news
Professional edition包含计算机文件系统常驻防护模组和e - mail常驻防护模组