ISBN: 9787503041488 - 国家基础地理信息数据库动态更新工程技术 (1 resultados)

paperback. Condición: New. Language:Chinese.Paperback. Pub Date: 2018-07-01 Publisher: Surveying and Mapping Press National Basic Geographic Information Center as the lead unit of the project. dynamic update of the national 1:50.000 basic geographic information database. 1:25 million database variable update and new version 1:5 The work of printing the basic scale topographic map of 10.000 countries was introduced in detail. and the related issues in the follow-up work were studied and discussed.…