单词：multidirectional wave
单词：multidirectional wave 相关文章
mystery flight 370 let us get start, good evening everyone more news development tonight in the disappearance of Malaysia airline flight 370, just like everyone we brought you in the last ten days vanished deep in the mystery but also linked criticis
CNN2014年(三)月
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）
AS IT IS 2015-10-07 Driver Lets Go of Wheel in New Truck 自动驾驶卡车现世 The first self-driving semi-trailer truck began its first trip on a major European highway last week. The German automobile company Daimler made the vehicle, which is n
2015年VOA慢速英语(十)月
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