Detail discussion on designing software module and changing software datachart to module chart are also given.
本文详细讨论了寻北仪软件的模块化设计及实现，给出了软件数据流图转换为软件模块图的方法。
2
The method uses DM technology to select, to analyze and to predict data, and uses data visualization technology to show datachart.
该方法是以数据挖掘技术解决数据的选取、分析和预测，以数据可视化技术实现数据的表现。
3
Through investigation and statistics, the author analyzes and arranges some match data, gains some groups of important datachart, and analyzes and studies the method, direction and zone of shooting.