单词：powered flight
单词：powered flight 相关文章
Two adventurers hoping to make the first round-the-world trip using a solar-powered plane have successfully landed in Oman after launching the maiden leg of their global voyage. The two Swiss pilots have arrived in Oman after taking off yesterday fro
英语新闻
As an alternative to expensive helicopters or traditional jets, some law enforcement agencies are experimenting with lightweight craft that stay airborne using just a parachute. Steve Mort | Palm Bay, Florida 01 January 2010 The Palm Bay Police Depar
VOA标准英语2010年(一月)
The drive to develop a battery to power automobiles, without using petroleum, is also behind the effort to develop an electric powered airplane. New designs for electric aircraft were recently unveiled at the Experimental Aircraft Association's (EAA)
VOA标准英语2010年(八)月
Students Aim for Aviation History with Human-Powered Helicopter Within reach What seemed impossible when William Staruk began his PhD studies at the University of Maryland three years ago, is now within reach. He's part of a 50-member team developing
VOA标准英语2013年(五月)
AS IT IS 2016-06-24 Solar-Powered Airplane Lands in Spain 太阳能飞机飞越大西洋后在西班牙降落 An airplane powered totally by the sun landed in Seville, Spain early Thursday after completing a 71-hour flight across the Atlantic Ocean.
2016年VOA慢速英语(七)月
People flying into Indias southern city of Cochin may see numerous solar panels around Cochin International Airport. But they may not know that the airport was the first in the world to be fully powered by solar energy. A sea of shiny solar panels st
2019年VOA慢速英语(二)月