[电] 地面雷达

The search for 370 narrows and the picture of the path seems to get sharper, let us get start, each one take a moment tonight get everyone back on the same page, the world we know so far, let us begins at 12:41 at local time in the morning of the 8th

发表于:2018-12-02 / 阅读(98) / 评论(0) 分类 CNN2014年(三)月

华盛顿领空遭无人机入侵 空域安全存在漏洞 When Florida Postal Service worker Doug Hughes landed his homemade gyrocopter on the west lawn of the U.S. Capitol, in a daring bid to deliver a political message to the lawmakers, the securi

发表于:2018-12-08 / 阅读(46) / 评论(0) 分类 VOA标准英语2015年(八月)

Keeping Washington DC Airspace Safe Is Tall Order 保持华盛顿领空安全是艰巨的任务 WASHINGTON Being the home of all three branches of the U.S. federal government makes Washington, D.C., the prime target for those who want to make their m

发表于:2018-12-16 / 阅读(61) / 评论(0) 分类 VOA标准英语2015年(四月)

保持华盛顿领空安全并非易事 Being the home of all three branches of the U.S. federal government makes Washington, D.C., the prime target for those who want to make their messages and ideas heard. Unfortunately, many of them choose to deli

发表于:2018-12-19 / 阅读(78) / 评论(0) 分类 VOA双语新闻 2015年4月

This is Scientific American's 60-Second Science, I'm Cynthia Graber. This'll just take a minute. Its often said we know more about the moon than we do about the depths of the ocean. There is a lot we dont know about the H2O that covers much of the pl

发表于:2018-12-24 / 阅读(65) / 评论(0) 分类 Scientific American(五)月

Threat posed by Iraq's Scud ballistic missiles. Militarily, Scuds were insignificant. But politically, Scud attacks on Israel and Saudi Arabia could have torn the coalition apart. The political importance of hunting down the Scuds was so great that t

发表于:2018-12-30 / 阅读(54) / 评论(0) 分类 国家地理2007年

The Viking longship might have looked like this. A 1,000-year-old Viking longship is thought to have been discovered under a pub car park on Merseyside. The vessel is believed to lie beneath 2 metres to 3 metres of clay by the Railway Inn in Meols,

发表于:2019-01-02 / 阅读(159) / 评论(0) 分类 Take Away English

Its often said we know more about the moon than we do about the depths of the ocean. There is a lot we dont know about the H2O that covers much of the planet. Now were getting closer, though, to an important understanding: Just how deep are the ocean

发表于:2019-01-02 / 阅读(89) / 评论(0) 分类 60秒科学

We`re talking about anything from stone tools to complex machines. A lot of times archeologists have to dig in order to find those artifacts. Not the researchers features in our next report from Nick Glass.They`re using modern technology to try to le

发表于:2019-01-08 / 阅读(104) / 评论(0) 分类 CNN2012年(一)月

By Al Pessin Washington 28 September 2006 US Air Force Gen. Kevin Chilton The head of the U.S. Air Force Space Command says he is working to improve the military's sensor system to ensure that no one can threaten crucial space-based assets. The comm

发表于:2019-01-12 / 阅读(115) / 评论(0) 分类 2006年VOA标准英语(九月)

US Company Developing Space-Based Plane Tracking 美国公司开发太空基地飞机追踪技术 LEESBURG, VA One of the reasons Malaysia Airlines flight MH370 hasn't been found is because the plane couldn't be tracked continuously over the ocean. I

发表于:2019-01-14 / 阅读(83) / 评论(0) 分类 VOA标准英语2015年(八月)

By Paula Wolfson Washington 02 July 2007 Russian President Vladimir Putin (l) and President Bush during a joint press conference at the Bush family compound in northeastern U.S. state of Maine, 02 Jul 2007 U.S. President George W. Bush and Russian Pr

发表于:2019-01-16 / 阅读(101) / 评论(0) 分类 2007年VOA标准英语(七月)

A 1,000-year-old Viking longship is thought to have been discovered under a pub car park on Merseyside. The vessel is believed to lie beneath 2 metres to 3 metres of clay by the Railway Inn in Meols, a town in the north west of England, where Vikings

发表于:2019-01-25 / 阅读(51) / 评论(0) 分类 英语听力精选进阶版

In 1994, when Boeing first published safety data, showing a clear correlation between a country's plane crashes and its score on Hofstede's dimensions, the company's researchers practically tied themselves in knots trying not to draw offense. 1994年,

发表于:2019-01-29 / 阅读(51) / 评论(0) 分类 异类:不一样的成功启示录

By Al Pessin Prague 23 October 2007 U.S. Defense Secretary Robert Gates says the United States might be willing to postpone activation of missile-defense sites planned for Poland and the Czech Republic until there is proof Iran has missiles that coul

发表于:2019-02-03 / 阅读(214) / 评论(0) 分类 2007年VOA常速英语(十月)

Manned space program's Meridian Project operational BEIJING, Oct. 23 (Xinhua) -- The Meridian Project, a massive scientific research project that will monitor weather in space, became fully operational on Tuesday. The Meridian Space Weather Monitorin

发表于:2019-02-07 / 阅读(112) / 评论(0) 分类 英语新闻

WASHINGTON, March 15 (Xinhua) -- U.S. Defense Secretary Chuck Hagel on Friday announced that he has ordered the military to beef up the missile defense system by deploying 14 additional ground- based interceptors. At a Pentagon press briefing, Hagel

发表于:2019-02-09 / 阅读(67) / 评论(0) 分类 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

发表于:2019-02-14 / 阅读(101) / 评论(0) 分类 2016CRI中国国际广播电台

Halo works because of several factors 由于下降速度快 High downward velocity and minimal metal and forward air speed, 金属赘物少 气流速度快 which all serve to defeat the radar.Wow! Just amazing! 高跳低开术可以避开多数的雷达

发表于:2019-02-17 / 阅读(53) / 评论(0) 分类 荒野求生

China on Tuesday released images of a Mars probe and rover which the country plans to send to the Red Planet within five years. 上周二,中国发布了火星探测器和火星车的图片,并计划在五年内将其发射到火星上。 China p

发表于:2019-02-18 / 阅读(49) / 评论(0) 分类 英语新闻
学英语单词
'boks
Abies lasiocarpa
absolute rules
accounting-related
advertising departments
after half
Aillevillers-et-Lyaumont
Al Qalīb
angle feedback
antilibertarian
bay-windows
benzoyl thiokinase
bismuth arsphenamine sulfonate
bottom supported boiler
bread buttered both sides
buffalo bur
calculation forms in commercial enterprises
camphoroquinone
carry over price
cartilaginous trabecula
cavity resonator
Cervione
Challaco
come to the end of one's rope
coming up to
company manual
constant amplitude sinusoid
contranitence
converging-beam therapy
Cremanthodium stenoglossum
deletion mutation
detection, phase
diradylglycerol
directive force of magnetism
dissolves
efficiency control
electronic seismograph
euthyneura
Fethaland, Point of
fish chips shashlik
foregainst
gangliform
glass-cloth
HDDTR (high density digital tape recorder)
Herrero, Pta.
high-flux core
Holmedal
inartistical
indirect detection
input impedance
internal wire
it fell off a lorry
kept their head above water
khampa
knitwise
Kolda
koppite
lift leg
linear strain
lithium diiodosalicylate
logic analysis unit
magnetic conduct adhesive
Maltese monetary unit
market overseas
meaning in extension
midnight oil
Mikoyan
mildly regulating cold and heat
negative contribution margin
numerical controlled marking
Otobius
overrunning coutch
parasitic nematodiasis of tussah silkworm
peacock coal
perijugular foramen syndrome
plication of small intestine
Polya's distribution
Port of Menteith
port sudans
pre-aerated combustion
pregnant constructions
preticketed
radioligand assay
ranking member of the embassy
ratchet broach
Rebersburg
roadside station
safemaker
simple periodic function
site failure
speed-up capacitor
ST_animals-generally_animal-groupings
staircase locks
stern waves
T number
table napkin
trickle - down theory
truck-trailer combination
upward-pointing
wet slip
whittet
Zarra