Group 1: Earth Physics Satellite Launch - The first Earth physics field detection satellite, "Zhangheng-1" No. 02, was successfully launched using the Long March 2D rocket from the Jiuquan Satellite Launch Center [1][3] - This satellite is a significant achievement in the construction of detection capabilities in the field of Earth physics, enhancing China's "sky-space-ground" monitoring capabilities for major natural disasters [3][5] - It carries nine scientific detection devices, including an electric field detector, for real-time monitoring of global electromagnetic fields, electromagnetic waves, ionosphere, and neutral atmosphere parameters [5] Group 2: Invasive Brain-Computer Interface Clinical Trial - China has successfully conducted its first prospective clinical trial of an invasive brain-computer interface, in collaboration with the Fudan University Huashan Hospital and related enterprises [5][7] - This achievement positions China as the second country globally to enter the clinical trial phase for invasive brain-computer interface technology [7] - The system aims to improve the quality of life for patients with spinal cord injuries and amputations through motor function replacement technology [7] Group 3: Yellow River Railway Steel Arch Bridge - The first railway steel arch bridge crossing the Yellow River, the Qinhai Jianza Yellow River Super Bridge, has entered the main bridge closure phase [7][10] - The completed suspension tower weighs 1,800 tons, with a maximum cable force of 1,161 tons [10][12] - The bridge is expected to achieve closure by August 2023 [10] Group 4: Yttrium-90 Production Breakthrough - China has successfully mastered the commercial production technology of Yttrium-90, with the first batch of Yttrium-90 glass microspheres produced and passing relevant tests [12][14] - The Qinshan Nuclear Power Base's commercial heavy water reactor has unique advantages for Yttrium-90 production [14] - Yttrium-90 glass microspheres are radioactive isotopes used for precise treatment of liver tumors through vascular intervention [12][14]