C progamming language is used most commonly in the program design. In the studying of the C programming language, function and pointer are the key and difficult points. C语言是进行计算机程序设计最为常用的一种语言,在C语言程序设计的学习过程中,函数和指针是关键和难点。
A monitoring program and main function software design and implementation of a multi-function digital-synthesized signal source are developed. Its key properties and its systematical composition, designs of the monitoring program and function modular program are described. 研究了一种多功能数字合成信号源的监控程序和主要功能的软件设计与实现,阐述了其主要性能与系统组成、监控程序设计与功能模块程序设计。
The structure of the system, the development of the program, database design function and the realization of key technology are described in detail in the forth part. 第四部分详细叙述了系统要求和结构,以及程序开发与数据库设计的方法和系统实现的关键技术。