The system model and software structure is introduced. At the same time, a new rail signal graph showing means used of the database technology is put forward.
给出了系统模型和软件实现方法，并提出利用数据库技术快速显示铁路信号图形。
2
Based on the idea of Object - Orient Programming, this software package combines graph, database and calculation as a whole and has successfully solved a practical problem.
该软件包基于面向对象的思想，使图形、数据库和计算等功能结合在一起，很好地解决了现场中的实际问题。
3
The software platform of operating system, database management and SCADA application and the functions of database management, graph, alarming, network management and log management are emphasized.