high accuracy data meaning in Chinese

高精度数据

The present application status of gps technique in land management is expounded , especially , the status of establishing land use database for county ( city ) level is emphatically introduced , and its main problems are analysed . the conception , characteristic , and application of all kinds of positioning methods using gps are introduced . the technique scheme of land surveying control network and the technique scheme of acquiring high accuracy data of land resources using gps technique are designed , and the realization method of key technique is indicated
阐述了目前我国gps技术在土地资源管理中的应用状况，重点介绍了县(市)级土地利用数据库建设的现状，分析其存在的主要问题；介绍了各种gps定位方法的概念、特点及应用；研究设计了土地测量控制网的技术方案和gps技术获取高精度土地资源变化数据的技术方案，指出了关键技术的实现方法；探索了gps技术在土地管理中其它方面的应用。