论文部分内容阅读
根据CCITT推荐的国际标准,作者用简明易懂的术语阐述了数据通信的理论和概念。探讨了一般运算中心设备的选择和变化,提供了对附加说明几种情况的数字例证。
According to CCITT recommended international standards, the author states in simple terms the theory and concept of data communications. Discusses the selection and changes of equipment in a general computing center and provides numerical illustrations of several cases of additional instructions.