MOSCOW, Dec. 30 (Xinhua) -- Russia's upgraded light multi-purpose helicopter Mi-34M1 has successfully completed its first test flight, the Russian Ministry of Industry and Trade said on Tuesday.

China will continue to pursue a more proactive fiscal policy next year with enhanced precision and effectiveness, to promote ...

第一，可控核聚变实现工程化跨越。2025年1月20日，中国全超导托卡马克装置（EAST）创下1亿摄氏度高温等离子体、1066秒稳态运行的世界纪录，首次在实验室模拟出未来聚变堆的运行环境。这一突破标志着中国聚变能源研究从基础科学迈向工程实践的重大跨越， ...