换: exchange; barter; trade码: a sign or object indicating ...字符: character数据通信换码: data link escape; dle数据通信交换码字符: data link escape character数据链路换码字符: data-link escape character串换码字符: string escape character换码字符: escape character数据通信转义字符: data link escape character数据通信: data communication and processing; data communications; data traffic; datacom; dc data communication; oem数据通信码: data-link escape数据通信盘: data communication数据通信器: data phone; dataphone数据通信网: dcn data communication network数据通信站: data communication station单向数据通信: one way data communication电子数据通信: electronic data communication; electronic data interchange (edi)独立数据通信: independent data communication高速数据通信: hsdc high speed data communication话音数据通信: vodacom voice data communication贸易数据通信: tradacomm trading data communication启动数据通信: start data traffic数据通信程序: dcdata communications program数据通信单元: dcu data communications unit数据通信读出: dcr data communication read