“air-traffic control”的概念、定义、翻译、参考文献-科学参考

单词	air-traffic control
释义	air-traffic control [`er ¦traf·ik kǝn´trōl] ^NAVIGATION 1. A service which promotes the safe and fast movement of aircraft operating in the air or on an airport surface by providing rules, procedures, and information and advisory services for pilots. Abbreviated ATC. 2. A system comprising enabling legislation, operating procedures, and navigation and communication equipment which is intended to make for the safe and expeditious movement of aircraft from the time that they leave the departure gates to arrival at the terminal gates.
随便看	absorption circuit absorption coefficient absorption column absorption constant absorption control absorption cross section absorption current absorption curve absorption cycle absorption dynamometer absorption edge absorption-emission pyrometer absorption factor absorption fading absorption field absorption gasoline absorption hygrometer absorption index absorption lens absorption limit absorption line absorption loss absorption meter absorption modulation absorption nebula

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