摘要
文章回顾了大地测量仪器的发展历程 ,指出了大地控制网的现状和缺陷 ,介绍了GPS的发展历史和特点以及GPS的应用范围。
This paper reviews the developing course of geodetic instruments,points out current situations and shortcomings of the geodetic control net,introduces the developing history,characteristics and application ranges of GPS.
出处
《东北测绘》
2002年第3期29-30,共2页
Northeast Surveying and Mapping