清华团队首创148纳米超窄线宽紫外激光,补齐核时钟最后一块核心技术拼图#自主量子科技#
Tsinghua team pioneers 148nm ultra-narrow linewidth ultraviolet laser, completing the final core technical puzzle of nuclear clocks. #IndependentQuantumTech#
永磁牵引系统动力更强能耗更低,CR450实现高速行驶却省电节能#绿色轨道交通#
Equipped with permanent magnet traction system for stronger power and lower consumption, CR450 balances high speed and energy efficiency. #GreenRailTransit#
草方格锁黄沙,光伏板育绿洲,库布其走出生态致富新路#光伏治沙#
Straw grids hold back sand, solar panels nurture oases; Kubuqi blazes a path linking ecology and prosperity. #SolarSandControl#