科学时代-面向大众传播科学知识、科学方法、科学精神和科学思想的科学普及平台。

科学时代收录了1160609条科普词条，基本涵盖了常见科普常识及英语词汇的翻译，是科学学习和研究的有利工具。

热门查询：

hollow bed	hollow billet	hollow body cop	hollow cathode discharge tube	hollow cathode lamp
hollow-cathode lamp	hollow charge	hollow copper point	hollow-core board	hollow core coaxial Ge detector
hollow cylinder	hollow cylindrical fuel element	hollow dielectric wave guide	hollow drill rod	hollowed-out
hollow electron beam	hollow fibre	hollow fibre membrane	hollow fibre membrane-tissue cell composite	hollow filament fibre
hollow fuel rod	hollow goods	hollow insulator	hollow ionization chamber	hollow kernel
hollow moulding	hollow pin	hollow pulse	hollow relief	hollow riveting with screw
hollow rod fuel pin	hollow sea	hollow section	hollow seed	hollow-shaft motor
hollow-shaft-type tachogenerator	hollow shell	hollow spindle	hollow tile	hollow tube mode
hollow twisting spindle	hollow vortex	hollow web	Hollweg，Theobald von Bethmann	holly
holly	Hollybush Spirit	holly family	holly fern	hollyhock
hollyhock	hollyhock	Hollywood	Hollywood	Hollywood
Hollywood	Hollywood Film Center	Hollywood Foreign Press Association（HFPA）	Hollywood-hard emplacement	Hollywood Ten