Core Viewpoint - China is accelerating the development of a "digital nervous system" for the low-altitude economy, leveraging spatiotemporal big data and three-dimensional geographic information systems to provide precise navigation and positioning [1] Group 1: Low-altitude Economy Development - The low-altitude economy has become a hot topic at the second China Surveying and Geographic Information Conference held in Deqing, Zhejiang [1] - According to the "China Geographic Information Industry Development Report (2025)," 30 provinces in China have included low-altitude economy in their 2025 government work plans [1] - The low-altitude economy market size in China is expected to reach 3.5 trillion yuan by 2035 [1] Group 2: Technological Integration and Infrastructure - The national natural resources system has integrated 3,363 reference stations into a nationwide satellite navigation positioning reference network, providing high-precision Beidou navigation services for low-altitude economic development [1] - The Guangxi drone emergency mapping service platform has connected over 900 alliance units, with more than 260,000 various devices including drones and mobile terminals [1] - Wuhan's surveying and mapping research institute has deployed 50 unattended drone airports using the "Urban Smart Eye" low-altitude drone remote sensing monitoring system [1] Group 3: Safety and Management - Chongqing is promoting the construction of a low-altitude real-scene three-dimensional map to support safe and efficient operations in general aviation, drone logistics, and emergency rescue [1] - Shenzhen has initiated the compilation of digital airspace maps, utilizing real-scene three-dimensional data for detailed airspace zoning and low-altitude flight route planning [1] - Experts emphasize the need to consider environmental factors and to digitize low-altitude elements to create a low-altitude data space, which will support the development of low-altitude economy [1]