多个首次！我国科技再迎密集突破

Group 1: Breakthroughs in Technology - China's first successful automatic formation trial of heavy-duty trains marks a significant advancement in railway freight, achieving a 50% increase in comprehensive capacity through wireless communication technology [1] - The successful launch of 19 low-orbit satellites for satellite internet represents a milestone in digital process integration, enhancing efficiency through automated testing and intelligent assembly [1] - The first realization of space metal 3D printing signifies a major leap in space manufacturing technology, transitioning from ground validation to space engineering verification [3] Group 2: Energy Sector Developments - The full-capacity operation of the Zhejiang Anji power plant, the largest and most efficient gas power plant in China, supports winter electricity demand in East China with a total installed capacity of 1686 megawatts and an efficiency of 64.15% [4] - The Anji power plant is expected to generate up to 7 billion kilowatt-hours annually, sufficient to meet the electricity needs of 6 million residents for a year [4] Group 3: Scientific Research Advancements - Chinese scientists have presented the dynamic process of gold nanoparticle formation at the nanoscale, challenging traditional views on gold sources and providing new insights for green gold extraction processes [2]