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Development of a low-loss magnetic-coupling pickup for 166.6-MHz quarter-wave beta=1 superconducting
166.6-MHz quarter-wave β=1 superconducting cavities have been adopted for the High Energy Photon Source, a 6-GeV diffra......
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生......
回顾天安门广场地区声频系统的发展变迁,介绍声频系统为70周年纪念大会进行的改造方案,以及临时扩声系 统的设计方案.“,”In this......
