GB/T 18731-2025 Rules for locating arterial highway

GB/T 18731-2002 Rules for locating highway of trunk

GB/T 917-2009 Mark rules of highway route and number of national trunk highway GB/T 917-2017 Mark rules of highway route and number of national trunk highway GB 917.1-2000 Mark rules of highway route—Naming, numbering and coding GB 917.2-2000 Mark rules of highway route—Name and number of national trunk highway GB/T 2260-2002 Codes for the administrative divisions of the People's Republic of China GB/T 2260-2007 Codes for the administrative divisions of the People's Republic of China GB/T 7930-2008 Specifications for aerophotogrammetric office operation of 1∶500 1∶1 000 1∶2 000 topographic maps GB/T 7931-2008 Specifications for aerophotogrammetric field work of 1∶500 1∶1 000 1∶2 000 topographic maps GB 12897-1991 Specification for the first and second order leveling GB/T 12897-2006 Specifications for the first and second order leveling GB 12898-1991 Specifications for the third and fourth order leveling GB/T 12898-2009 Specifications for the third and fourth order leveling GB/T 12979-1991 Specifications for close-range photogrammetry GB/T 12979-2008 Specifications for close-range photogrammetry GB/T 12979-2024 Specifications for close-range photogrammetry GB/T 13977-1992 Specifications for aerophotogrammetric field work 1:5000, 1:10000 topographic maps GB/T 13977-2012 Specifications for aerophotogrammetric field work of 1∶5 000 1∶10 000 topographic maps GB/T 13990-1992 Specifications for aerophotogrammetric office operation 1:5000, 1:10000 topographic maps GB/T 13990-2012 Specifications for aerophotogrammetric office operation of 1∶5 000 1∶10 000 topographic maps GB/T 16831-1997 Standard representation of latitude, longitude and altitude for geographic point locations GB/T 16831-2013 Standard representation of geographic point location by coordinates GB/T 17942-2000 Specifications for national triangulation GB/T 18314-2001 Specifications for global positioning system (GPS) surveys GB/T 18314-2009 Specifications for global positioning system(GPS) surveys GB/T 18314-2024 Specifications for survey and measurement of global navigation satellite system GB 22021-2008 Basic specifications for national geodesy GB/T 35628-2017 Data product of real scene map GB/T 40527-2021 Digital space photogrammetry—Map surveying specification GB 50026-2020 Code for engineering surveying CH/T 2014-2016 Coordinate Transformation Specification for Geodetic Control Points CH/T 3020-2018 Laser scanning measurement technology specification for real-world 3D geographic information data CH/T 8023-2011 Airborne LiDAR data processing technique specification CH/T 8024-2011 Airborne LiDAR data acquisition technology specification CH/T 9015-2012 Three-dimensional geographic information model data product specification CH/T 9016-2012 Three-dimensional geographic information model production specification JT/T 412-2022 JT/T 412-2022 Main Control Point Code for National Highway