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介绍了计算机之间通过电话网的点对点通信方式,在此基础上与数据库结合实现了远程数据库查询。详细讨论了其中的关键技术,并且设计实现了一个实际的系统。
Introduces the point-to-point communication between computers through the telephone network, on the basis of which the remote database query is realized in combination with the database. Discussed in detail the key technologies, and designed and implemented a practical system.