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【单选题】联合国标准化组织(ISO)对EDI权威的规范化的定义是：“将商业或行政事务处理(Transaction)按照一个公认的标准，形成结构化的事务处理或（ ）数据格式，从计算机到计算机的电子传输方法”。
A.
报表
B.
报文
C.
文档
D.
报告
【单选题】In the last two hundred years there have been great changes in the method of production of goods. This is now also true of the building industry; for mechanization has been introduced. System building...
A.
the latter uses ready-made internal features
B.
panels are cast in a level position
C.
the former is used to build walls and floors while the latter to construct bathrooms or bedrooms
D.
the former is more expensive than the latter