語言選擇:
免費網上英漢字典|3Dict

x2

資料來源 : Free On-Line Dictionary of Computing

X2
     
         A proprietary modem standard developed by {US
        Robotics} for 56 {kbps} communications.  Not taken up as
        widely as {K56flex} and will shortly be superseded by the
        official {V.90} standard.
     
        (1998-09-08)
依字母排序 : A B C D E F G H I J K L M N O P Q R S T U V W X Y Z