On the integrated platform of graphic database a fast algorithm which can automatically and quickly generate topology by use of coordinate relations in vectorgram is realized. 在图形数据库一体化的平台上,实现了一种利用矢量图的坐标关系自动生成拓扑的快速算法。
Vectorgram and Output Waveform of Rectifier Unit in Subway 地铁整流机组相量图及输出波形分析