EDI
参考答案：
电子数据交换是第一代电子商务技术，实现BTOB方式交易。
句子排排队，标序号。
( ) Fine, thanks. And you?
( ) Nice to meet you, too.
( ) My name is Li Ming. How are you?
( ) Fine, thank you. Nice to meet you.
( ) Hi. My name is Jenny. What's your name?
线路台帐履历中的线路的长度计算和（）有关
A、档距
B、水平档距
C、导线长度
D、代表档距
