把空间矢量数据的压缩方法道格拉斯-普克法引入到断面数据的抽稀处理中，并对算法进行改进。
This paper introduced the method of vector data compression-Douglas-Peucher algorithm into profile data compression and improved the algorithm.
把空间矢量数据的压缩方法道格拉斯-普克法引入到断面数据的抽稀处理中，并对算法进行改进。
The thesis introduces the method of vector data compression-Douglas-Peucker algorithm into profile data compression, and makes the improvement to the algorithm.
本文阐述了人机系统软件相关的矢量图形系统、数据库系统、信息系统、空间信息分析系统，给出了基本原理和技术解决方案。
The relative system, such as vector graphic system, database system, and space information system, are discussed in the paper, the basic principle and realize method are discussed in the paper also.
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