单词：blade aircraft antenna
单词：blade aircraft antenna 相关文章
Being a super power, it’s not possession of nuclear weapons, it’s not having a large armed forces, it’s not having higher tech equipment than anyone else, if there’s one thing that defines bei
疯狂英语2002年
[00:11.62]Pages 43 and 44 [00:15.91]Talk about it! [00:18.60]Listen.Point. [00:22.18]a flashlight [00:28.47]a paper clip [00:34.06]a magnet [00:39.65]a thumbtack [00:45.17]January [00:50.36]February [00:55.56]March [01:00.97]April [01:05.85]May [01:1
灵通少儿英语第三册
Researchers find circadian clock in Monarch's antenna plays a major role in navigation Shelley Schlender | Michoacn, Mexico 22 March 2010 Scientists believe antennas are critical to the navigation of the Monarch butterfly. Related Links Monarch Watch
VOA标准英语2010年(三月)
How do They Grow? 他们是怎么生长的？ This is only a blade of grass; 这一片草叶青青， But how does it grow? Does any one know? 它是怎么生长的，有谁说得清？ The seasons come, and the seasons pass, 四季的脚步匆匆，来
英国学生科学读本
不怕伤鸟：无扇叶涡轮风力发电机 Wind turbines are efficient sources of cheap energy but also a source of concern as their huge spinning blades frequently kill birds and bats. A new type of wind generator developed in Spain offers a crea
VOA双语新闻 2015年6月
Brian didnt have cable TV. He didnt have satellite TV. He had an antenna for his TV. He had an indoor antenna. But it was an old antenna. The reception was bad. He needed to buy a new antenna. He went to Best Buy. The antennas were in boxes. He looke
简单慢速英语阅读
Brian didn't have cable TV. He didn't have satellite TV. He had an antenna for his TV. He had an indoor antenna. But it was an old antenna. The reception was bad. He needed to buy a new antenna. He went to Best Buy. The antennas were in boxes. He loo
原版英语小短文
EXPLORATIONS - Igor Sikorsky: Aircraft and Helicopter Designer By Marilyn Christiano Broadcast: Wednesday, July 06, 2005 (MUSIC) ANNOUNCER: Igor Sikorsky on the cover of Time magazine. Now, the VOA Sp
Explorations
By Anjana Pasricha New Delhi 01 September 2007 The world's biggest aircraft manufacturers are in the race to supply the Indian air force with 126 new fighter jets in a deal worth an estimated $10 billion. As Anjana Pasricha reports from New Delhi, th
2007年VOA标准英语（九月）
VOA's weekly science and technology radio magazine Art Chimes | Washington DC 19 March 2010 Related Links Origin of dogs (Nature) Origin of dogs (UCLA) Vitamin D study (abstract) Butterfly flight simulator (Reppert lab) Monarch Watch (U. of Kansas) D
VOA标准英语2010年(三月)
Bladeless Wind Generator Safe for Birds Wind turbines are tall structures with large blades used to produce electricity. They are useful sources of low-cost, renewable energy. But they can also be deadly to birds and bats. The turbines large blades t
2015年VOA慢速英语(七)月
Bladeless Wind-Power Generator is Friendly to Birds 新型风力发电机避免误伤鸟类 Wind turbines are efficient sources of cheap energy but also a source of concern as their huge spinning blades frequently kill birds and bats. A new type of w
VOA标准英语2015年(六月)
新型风力发电机不会伤及鸟类 In 2002, Spanish inventor David Yanez saw a short film about the Tacoma Narrows Bridge in the U.S., collapsing in strong wind. 2002年西班牙发明家大卫亚尼斯看了一部关于强风造成美国塔科马
VOA标准英语2015年(十二月)
Bird-friendly Bladeless Wind Turbine Mimics Nature Energy created by conventional three-blade wind turbines is cheap, sustainable and pollution-free. But according to current estimates, the devices' fast-moving blades kill up to 300,000 birds annuall
VOA标准英语2015年(十一月)
ROBERT SIEGEL, HOST: Ridley Scott's science fiction film Blade Runner was a modest hit in theaters in 1982 and a massive one later on video. Scott's punk noir dystopia initially got mixed reviews, but the director kept re-cutting his film. And by 200
2017年NPR美国国家公共电台10月
(Probably Not a) Giant Alien Antenna强大的外星人光束 The Earth is studded with telescopes, listening for electromagnetic radiation from the great beyond. And a decade ago, astronomers stumbled upon a mysterious signal: a powerful pulse of rad
2017年Scientific American(三)月
DALIAN, Sept. 25 (Xinhua) -- China's first aircraft carrier was delivered and commissioned to the People's Liberation Army (PLA) Navy Tuesday after years of refitting and sea trials. Overseen by President Hu Jintao and Premier Wen Jiabao, the carrier
英语新闻
The 1.5-kilogram drones, made of carbon fiber, are equipped with an infrared cameras, allowing them to see in the dark. They will also be fitted with radar systems and communications antenna to extend monitoring capabilities. But the truly outstandin
2016CRI中国国际广播电台
Grenade Bruno Mars嗓音独特，凭借与B.o.B合作的出道单曲《Nothin' On You》挤下了连续5个星期排名第一的蕾哈娜，在美国Billboard顺利拿下冠军。其他还有与Travis McCoy合作的Billionaire等。 几周前新单曲
天籁音乐
Whatd you say? About being saved? Cause all it took Was just a taste I set the hook And drove the blade Ready for you Whenever Everything is what it seems So much more Than what you dreamed They take you where Shadows roam Roaming in the never Now I
英文摇滚歌曲