这种“小型飞机运输系统（Sats）”将可以为中心辐射型（Hub-and-spoke）的空中旅行模式分担压力。
This Small Aircraft Transportation System (Sats) would divert pressure away from the "hub-and-spoke" model of air travel.
复合交通运输中心，提供不只一种的大众运输系统，中央车站或过境旅客转乘站。
Major public transport stop Multi-modal transit hubs served by more than one kind of public transport system, central station or depot for transit passengers.
机场是航空运输系统的一个组成部分，是民航一切活动的中心，是民航系统结构最复杂的子系统。
The airport is a part of the whole civil aviation transportation system, it is the operation center of the civil aviation, and the most complicated subsystem of the whole system.
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