单词：radar traffic control
单词：radar traffic control 相关文章
U.S. President Donald Trump (R) speaks before signing a decision memo and a letter to members of Congress outlining a plan for privatizing the nation's air traffic control system, in the East Room of the White House, in Washington DC, on June 5, 2017
2017CRI中国国际广播电台
Steve Shladover outlines the benefits to be gained from vehicles that could drive themselves and discusses how this could be achieved. 斯蒂夫·施多弗阐述了能自动运行的车辆的诸多裨益
全新版大学英语综合教程
By Paul Sisco Washington, D.C. 21 June 2007 Government and industry officials say America's crowded airways are becoming more so. The technology exists to make air travel safer, and energy efficient, but so far efforts to improve the situation are mo
2007年VOA标准英语（六月）
KELLY MCEVERS, HOST: The White House announced a plan today to privatize the U.S. air traffic control system. This is part of the administration's focus this week on the country's aging infrastructure. President Trump says the FAA has been trying to
2017年NPR美国国家公共电台6月
Sudden snowfall earlier this week blocked a national highway in Xinjiang Uygur Autonomous Region. The local traffic control department worked nearly 20 hours to clear the snow, and traffic in the area has now returned to normal. The snow started arou
cctv9英语新闻2015年
If FL240 not available, we accept FL220. 422. 如高度240不可用，我们接受高度220。 Cleared to leave A1 via BKM VOR, maintain FL230 while in controlled airspace. 423. 可以经由BKM VOR台离开A1，在管制空域保持高度230。 Confi
飞行员英语900句