message bus信息总线messagen.消息；信息；要点；寓意v.传递信息；通讯message authentication code信息证实代码message separation function报文分隔功能message billing information通话账单信息message transmission actual报文传输法message identification code信息识别码message numbering generator电报编号发生器message journaling function报文日志功能message separator character消息分隔符message-begining character报文开始符message processing programme信息处理程序

1. A bit associated with a character or block for the purpose of checking the absence of error within the character or block.
   与字符或信息块有关的一位，用于检查该字符或该信息块是否存在错误。