The 8th Int'l Conference on Surveying and Geoinformation(CSG 2027) May 31- June 2, 2027  Kunming, China Website：https://www.academicx.org/CSG/2027/ Date：May 31- June 2, 2027 Venue：Kunming, China Email：editor6@academicx.org (editorrolin@gmail.com)   Index: CNKI Scholar