HY/T 0487-2025 Technical specification for stability monitoring of islands where the territorial sea base point is located

GB 12897-1991 Specification for the first and second order leveling GB/T 12897-2006 Specifications for the first and second 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 17501-1998 Specification for marine engineering topographic surveying GB/T 17501-2017 Specification for marine engineering topographic surveying GB/T 18314-2024 Specifications for survey and measurement of global navigation satellite system GB/T 24356-2023 Specifications for quality inspection and acceptance of surveying and mapping products GB/T 39612-2020 Specifications for low-altitude digital aerial photography and data processing GB 50026-2020 Code for engineering surveying CH/T 1028-2012 Technical Specification for Quality Inspection of Geometric Measurement Results CH/Z 3017-2015 Procedural guidelines for three-dimensional laser scanning of the ground CH/T 6006-2018 Time series InSAR surface deformation monitoring data processing specification CH/T 8023-2011 Airborne LiDAR data processing technique specification CH/T 8024-2011 Airborne LiDAR data acquisition technology specification DZ/T 0154-1995 Ground settlement leveling measurement specifications DZ/T 0283-2015 Ground settlement investigation and monitoring specifications