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21世纪人类已经到了离不开空中交通的时代。每年大约有16亿人次穿梭往来于世界各个角落,都是从某个机场出发或降落的。机场数量的多少、水平的高低、客流量的大小已经成为衡量一个国家或城市、经济发展水平的重要标志之一。机场是飞机起飞、降落、维护、停放的场所。最早的机场——莱特兄弟第一次试飞成功的地方——只是海滩上的一大片空旷地,特别要求地面
In the 21st century, mankind has come to an age where air traffic can not be separated. About 1.6 billion people shuttle each year in all corners of the world, all departing or landing from an airport. The number of airports, the level of traffic, the size of the traffic has become a measure of a country or city, one of the important indicators of the level of economic development. The airport is where the aircraft took off, landed, maintained and parked. The earliest airport - where the Wright brothers first succeeded in testing - was just a large open area on the beach, with special demands on the ground