The only small-scale weather modification other than local frost prevention is that of clearing an airport or airstrip of fog.
除局地防霜外，唯一的小尺度人工影响天气作业是清除航空港或简易机场上的雾。Transportation: The U. S. Department of Transportation is helping Iraq modernize and secure its air and sea ports.
交通：美国交通部（U.S.DepartmentofTransportation）正在帮助伊拉克实现航空港和海港现代化及保障安全的工作。The Chengdu Shuangliu International Airport is the biggest of West China with its passenger volume at 5th place nationwide.
成都双流国际机场是中国西部最大的国际航空港，客流量居全国第五位。Dubai already has the world's third-busiest international airport, with traffic growing at 20% a year.
迪拜已经拥有世界第三繁忙的国际航空港，运输量每年增长20%。Tocumen airport is 32km away from the city and is an important international airport of Mid-America.
托库门机场距城32公里，为中美洲重要的国际航空港。People travel by air, and London's main airport, Heathrow, is one of the busiest in the world.
如今人们乘坐飞机旅行。伦敦的主要航空港希思罗机场是世界上最繁忙的机场之一。The modern field includes power plants, aircraft and airports, chemical-processing plants, and water-treatment facilities.
现代这个领域还包括：发电厂、航空港、化学处理厂和污水处理设备等。Jiangxi province has several motorways as well as four civil aviation airports .
江西已建成多条高速公路，有四个民用航空港。In 1968, based on his novel "Airport" film adaptation of the same name, opened 70 of the last century during the wave of disaster films.
1968年，根据他的小说《航空港》改编的同名电影上映后，开启了上世纪70年代灾难片的风潮。