end-of-message character [计] 信息结束符

end of message character 信息结束字元

start-of-message character 讯息起始字符

end-off-message character 讯息结束字符

start of message character 讯息起始字符

end of-message character 信息终点字符

character message 字符消息

message beginning character [计] [通信] 报文开始符

message ending character [计] [通信] 报文结束符