摘要
阐述了电话计费系统设计方案和特点，详细介绍了该系统软件组成以及各程序模块的设计和功能。
The design plan and characteristics of the telephone billing system are elaborated.Software composition of the system and the design and function of every program module are introduced.
出处
《南京化工大学学报》
1998年第A12期81-83,共3页
Journal of Nanjing University of Chemical Technology(Natural Science Edition)
关键词
电话计费系统
话单
话费
telephone billing system telephone bill telephone cost
