Group 1 - The world's first mid-infrared solar magnetic field observation system (AIMS telescope) has been officially launched, filling a gap in international solar magnetic field observation [1][3][5] - The AIMS telescope's core components have been fully domestically produced, enhancing China's independent innovation capabilities in astronomical instruments [3] - The successful launch of the AIMS telescope marks the transition from construction to scientific output, providing crucial data for solar physics and space weather forecasting [5] Group 2 - The "Chinese Sky Eye" (FAST) has detected a new type of millisecond radio burst originating from the magnetic field of stellar sunspot regions, filling a knowledge gap in the understanding of small-scale magnetic fields outside the solar system [5][6] - The successful installation of the first steel beam for the Shituo Yangtze River Bridge marks a significant milestone in the construction of the Yuwang High-Speed Railway, which will greatly reduce travel time between Chongqing and Wanzhou to under one hour [6][8] Group 3 - The successful damming of the Changbo Hydropower Station on the Jinsha River represents a key breakthrough in the construction of China's largest pressure chamber hydropower project, expected to produce over 4.3 billion kilowatt-hours of clean energy annually upon completion [8][9]

Group 1 - The world's first mid-infrared solar magnetic field observation system (AIMS telescope) has been officially launched, marking a significant advancement in China's astronomical instruments and filling an international gap in mid-infrared solar magnetic field observation [2] - The "China Sky Eye" (FAST) has detected a new type of millisecond radio burst originating from the magnetic field of stellar sunspots, contributing to the understanding of small-scale magnetic fields beyond the solar system [3] - The successful installation of the first steel beam for the Shitou Yangtze River Bridge of the Chongqing-Wanzhou High-speed Railway marks a critical construction milestone, with the bridge expected to set four world records upon completion [4][8] Group 2 - The successful damming of the Changbo Hydropower Station on the Jinsha River represents a key breakthrough for one of China's largest hydropower projects, with the station projected to generate over 4.3 billion kilowatt-hours of clean energy annually, significantly reducing coal consumption and carbon emissions [6]

Core Points - The Shitou Yangtze River Bridge, featuring the world's highest double-tower, has successfully topped its sixth main tower at a height of 253 meters, marking a significant milestone in its construction [1][3] - The bridge is a key project for the Chongqing-Wanzhou high-speed railway, which spans a total length of 251 kilometers and is designed for a speed of 350 kilometers per hour, playing a crucial role in the development of the Chengdu-Chongqing economic circle [5] Group 1 - The Shitou Yangtze River Bridge is located in Fuling District, Chongqing, and is constructed by China Railway Bridge Bureau [3] - The main bridge measures 1,056 meters in total length, with a main span of 608 meters, and is the first to utilize a dual-tower design for both rail and road [3] - The completion of the bridge's main towers lays a solid foundation for the timely completion and opening of the entire line [1]