高空飞机

EXPLORATIONS - High and Fast: the X-15 Reached the Edge of Space EXPLORATIONS -- a program in Special English by the Voice of America. Today, Doug Johnson and Frank Oliver tell about the first airplane that flew out of the Earth's atmosphere. It was

发表于:2018-12-16 / 阅读(124) / 评论(0) 分类 2012年VOA慢速英语(十)月

welcome to our march 17 addition of cnn students news, I am coarl zoos, first up, voters in Crimea voted yesterday, and overwhelmingly chose to become part of Russia, the local government sending its delegation to Moscow to apply for that, Russia wel

发表于:2018-12-19 / 阅读(163) / 评论(0) 分类 CNN2014年(三)月

In 1940, North American Aviation designed the legendary P-51 Mustang in response to the British need for a high-performance fighter aircraft. The Mustang featured the most advanced laminar flow wing and a ducted cooling radiator positioned under the

发表于:2018-12-30 / 阅读(215) / 评论(0) 分类 国家地理2007年

Why Does Altitude Cause Headache? Mountain climbers face many dangers as they brave the cold winds and icy slopes and jagged cliffs of the peaks they climb. But one of the most serious dangers they face is all in their headsliterally. Why does altitu

发表于:2018-12-31 / 阅读(147) / 评论(0) 分类 英语听力文摘 English Digest

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发表于:2019-01-02 / 阅读(348) / 评论(0) 分类 科技之光

Dubai officials say they plan to use Chinese-made drones to launch a self-flying air taxi as soon as July. 迪拜官员称他们计划引进中国制造的无人机,在七月推出自动飞行的空中出租车。 The Chinese-made EHang 184 drone h

发表于:2019-01-02 / 阅读(153) / 评论(0) 分类 2017年VOA慢速英语(二)月

Two pilots recently set a new altitude world record for gliders. A glider is an aircraft that does not have an engine. They are pulled into the air by powered airplanes and then released. They are designed to ride warm, rising air to gain altitude. T

发表于:2019-01-03 / 阅读(278) / 评论(0) 分类 2017年VOA慢速英语(九)月

For more on the reform of Chinas low altitude airspace management, were joined in the studio by my colleague Wu Haojun. Q1: Opening up the countrys low altitude airspace will undoubtedly give a huge boost to the general aviation industry, but how are

发表于:2019-01-05 / 阅读(156) / 评论(0) 分类 CCTV9英语新闻2014年11月

By Steve Mort Melbourne, Florida 23 May 2008 The Brazilian aircraft manufacturer, Embraer, is set to build a factory in the southern U.S. state of Florida to make executive jets. The move by the world's fourth-largest aircraft manufacturer comes as t

发表于:2019-01-08 / 阅读(112) / 评论(0) 分类 VOA标准英语2008年(五月)

AS IT IS 2016-05-22 Storm-Chasing Drones Help Fight Extreme Weather 使用无人机追踪风暴 对抗极端天气 Some countries are using drone technology to prepare for major weather events and observe severe storms as they happen. One place where

发表于:2019-01-12 / 阅读(124) / 评论(0) 分类 2016年VOA慢速英语(五)月

U-2 Spy Plane Still Flying High One of the oldest planes the United States Air Force still flies is used to carry out some of America's most sensitive and critical missions. Whether it's aiding NATO troops in Afghanistan, providing surveillance over

发表于:2019-01-13 / 阅读(148) / 评论(0) 分类 VOA标准英语2011年(十二月)

A top Iranian defense official says Tehran has built an unmanned surveillance aircraft with a range of more than 950 kilometers. The claim, if true, would put the drone within range of Israel. Iran's Deputy Defense Minister Ahmad Vahidi has told the

发表于:2019-01-13 / 阅读(126) / 评论(0) 分类 VOA标准英语2009年(二月)

HAIKOU, Jan. 28 (Xinhua) -- China's aviation authorities(民航当局) on Friday started to allow helicopters to fly in low-altitude airspace over the tourist island of Hainan on a trial basis for the first time. The aim is to eventually open a part

发表于:2019-01-19 / 阅读(225) / 评论(0) 分类 英语新闻

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

发表于:2019-02-07 / 阅读(312) / 评论(0) 分类 英语新闻

World-Class Runners Flock to Kenyan Town Lornah Kiplagat is a Kenyan-born athlete who has won marathons throughout the world and holds several world records. She and her husband Pieter founded the High Altitude Training Center in Iten, Kenya, after r

发表于:2019-02-12 / 阅读(201) / 评论(0) 分类 VOA标准英语2012年(二月)

本期内容: Rescuers searched for wreckage from an EgyptAir Paris-Cairo flight which crashed into the Mediterranean Sea. The Airbus A320, carrying 66 passengers and crew, disappeared from the radar shortly after entering Egyptian airspace. Greece

发表于:2019-02-13 / 阅读(106) / 评论(0) 分类 夏说英语新闻晨读

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(180) / 评论(0) 分类 2016CRI中国国际广播电台

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

发表于:2019-02-18 / 阅读(163) / 评论(0) 分类 cctv9英语新闻2015年

Cosmic Radiation 上世纪早期,科学家发现一种神秘的辐射形式会破坏他们的实验。后来奥地利物理学家Victor Hess研究发现辐射可能来自天空。后来他多次坐热气球用各种仪器(包括测量放射电荷的

发表于:2019-02-24 / 阅读(165) / 评论(0) 分类 英语听力文摘 English Digest

年底啦,如果你在计划过年去哪儿玩或是明年的出国游,不如看看权威旅游刊物Lonely Planet推荐的2017年十大旅游目的国!这些地方,好玩儿、人少、又不贵!跟Jenny, Spencer一起体验吧! 关键词:

发表于:2019-03-05 / 阅读(173) / 评论(0) 分类 美国文化脱口秀
学英语单词
3-phosphoglyceric acid
actual column
airplane dial
antisymmetric state
appropriation of labour time
arillocarpium
Ashaka
automatic train stop
benzidine blue
Bipolar encoding
blade thrust
bossart
Busoni, Ferruccio Benvenuto
Cisternino
cluster around
combat operating mode management
critical moisture
cumulative salary adjustment
damagingly
diaphragm valve seat
divergenceless
DNR
dometown
earth ellipsoid parameter
earthlives
Empusa
environmental activity
eponges
error control command
externization
feedback compensation technique
Fluzone
g.t
genus Helxine
glans clitoridis
glaucuss
go to bye - bye
haco oil
hexagonal bipyramid
horizontal harmonic gear drive
Hunting-license
improvement order
integrated services digital network (isdn)
irregular endorser
K-truss
Kings Mountain
Kullback-Leibler information function
latrias
let it go
manijuana
maniss
mesopulmonum
mis audit
music pedagogy
NMIA
nonflowering plants
paromomycin
part exchanging
peak pressure indicator
pre-disease
producent
property evaluation
proportional-integral-derivative controller
public key infrastructure x.509
push tube
quasi-conformal mapping
quong
ratio of precision
reactor hot start-up
repayment supplement
Rice neutralizing circuit
salad plates
scientific risk assessment
scolecophagous
sebacates
seminude
shimodas
shoobies
SIGCPR
sisi surakarta arts group
So-long
Sohuksan-do
sparrow dominoes
spooled instruction
superconducting magnetic bearing
syringe pipet
thallu
Thomas Cook
threeway dump truck
thymene
tool joint
transinterhemispheric approach
transitional axis
transplanting success
tropical cyclones
Ubauro
ultrasonic obstacle detector
underlinings
vis-some
visual sensation
william and maries