自然资源部：“全国卫星导航定位基准站一张网”建成运行

Group 1 - The core viewpoint of the article emphasizes the significant achievements in China's surveying and mapping geographic information work since the "14th Five-Year Plan" began, highlighting its importance for high-quality economic and social development [1] Group 2 - The establishment of a nationwide satellite navigation positioning reference station network enhances the Beidou navigation service, integrating data from 7,000 reference stations and providing over 10 million professional services daily [1] - The preliminary construction of "3D Real Scene China" supports the digital economy and smart city initiatives, with 70% of the land area covered by 1:10,000 data and over 300 cities producing 3D models [2] Group 3 - Strengthening global geographic information sharing contributes to building a community with a shared future, with China providing data and technical assistance to developing countries and donating global land cover products to the UN [3] - Improvements in the management of the surveying industry have optimized the business environment, reducing the number of qualification categories by 85.5% and compressing project surveying time by 30% while lowering costs by 20% [3] Group 4 - The promotion of surveying technology innovation supports the development of new productive forces, with advancements in intelligent surveying technologies and the integration of 3D real scenes with digital twin technologies [4] - Future efforts will focus on enriching 3D real scene data resources and constructing a smart surveying technology system to better support China's modernization [4]