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3405121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。

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air traffic control and landing system	air traffic control{=ATC}	air traffic control (ATC)	AIR Traffic Control(ATC)	air traffic control center
air traffic control center (ATCC)	air traffic control center{=ATCC}	air traffic control clearance	air traffic control command center (ATCCC)	air traffic control command center{=ATCCC}
air traffic control communications	air traffic control instruction	air traffic controller	air traffic control officer	air traffic control radar
air traffic control radar{=ATC radar}	air traffic control radar beacon	air traffic control service	air traffic control system	air traffic control tower
air traffic control unit	air traffic coordinating officer	air traffic identification	air traffic management (ATM)	air traffic management{=ATM}
air traffic procedure	air traffic rule	air traffic section	air traffic service (ATS)	air traffic service{=ATS}
air traffic service reporting office (ARO)	air traffic service reporting office{=ARO}	air traffic service route	air traffic service unit	air traffic situation display (ATSD)
air traffic situation display{=ATSD}	air traffic system command center{=ATSCC}	air traffic system command center (ATSCC)	air train	air trajectory
air transformer	air transport	air transportability	air-transportable	air transportable earth station
air transportable sonar	air transportable sonar {= AIS}	air transportable unit	Air Transport Allocations Board	Air Transport Association (ATA)
Air Transport Association{=ATA}	air transportation	Air Transportation Board	air transportation modes	Air Transport Command
air transported force	air transported operations	air transported troop	air transport group	air transport hub

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