2025-05-21 00:23 | 0 阅读 The Yangtze Delta Megaregion: Shanghai's 50km Economic Radius Reshapes Urban Development Section 1: The 50km Economic CircleRegional Composition:• Core: Shanghai (28.7m population, ¥6.2t GDP)• First Ring (30-50km): Kunshan, Jiading, Songjiang• Second Ring (50-80km): Suzhou, Wuxi, Jiaxing• Third Ring (80-120km): Nantong, Hangzh
2025-05-20 00:30 | 0 阅读 "Beyond the Bund: How Shanghai's 50km Radius Is Redefining Megacity Economics" 1. The Infrastructure Nervous System 1.1 Transit Algorithms: - Maglev extensions predicting passenger flows with 98% accuracy - Autonomous barges on the Grand Canal running 24/7 carbon-neutral - Underground freight networks linking Yangshan Por