1)TRS Teleoperator Retrieval System,远程操作员检索系统2)system program(me) operator,系统程序操作员3)Telesysteme-Questel System,"奎斯太"远程检索系统4)information retrieval system operation,情报检索系统操作5)remote OS installation,远程安装操作系统6)remote operating system scanning,远程操作系统扫描
用法例句
port scanning and remote operating system scanning.