摘要
Abstract
GPS-RTK technology because of its simple opera-tion mode, high precision, high efficiency advantages, more a-nd more get the favour of surveying and mapping industry w-okers. The paper analyzes aspects such as the advantage of C-ORS-RTK technology and CORS system composition, discus-ses its application in city digital topographic survey.关键词
CORS-RTK技术/城市数字地形/测量/应用Key words
CORS-RTK technology/urban digital terrain/me-asurement/application
