Core Viewpoint - The project aims to unify the historical reference benchmarks of tidal stations with the 1985 National Elevation Benchmark, enhancing the accuracy and reliability of elevation control systems for various applications [1] Group 1: Project Overview - The project involves the technical design review of the tidal station leveling measurement service for six stations: three on land (Gaolan, Dongping, Shapa) and three on islands (Guishan, Shangchuan Island, and Wailianding) [1] - The review meeting was organized by the Zhuhai Ocean Center of the Ministry of Natural Resources, with participation from various expert units [1] Group 2: Technical Significance - The project employs global navigation satellite system elevation measurement and leveling methods to accurately transfer the 1985 National Elevation Benchmark to the six tidal stations [1] - The project is recognized for its advanced precision indicators, which are considered to be at a leading level domestically [1] Group 3: Applications and Recommendations - The unified and high-precision elevation control results will support core activities such as marine disaster prevention, ecological monitoring, and natural resource management [1] - Experts recommend promoting and applying the project results due to its significant theoretical and practical value [1]