Much of that is because the test program is set up in a way that is pretty modular—with a constructor and init() method—so you can easily reuse this code for your own purposes without lots of changes.
In this paper, it was mainly introduced that database structure design, system structure chart, system principal result, function of every modular and program flow diagrams.
论文简要的阐述了其中数据库的设计、系统结构图、系统实现的主要功能以及各模块的作用和程序流程图。
3
Data processing, exchanger, charge calculation, charge receiving computer and programmodular.