机场是航空运输的重要组成部分,具有准公共品、外部性和区域垄断性等经济特征。
Airport is one of important parts of aviation transportation, which have semi commonality, exterior and regional monopolization, and so on.
机场是航空运输的重要组成部分,具有准公共品、外部性和区域垄断性等经济特征。
Airport is one of important parts of aviation transportation, which have semi commonality, exterior and regional monopolization, and so on.
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