航太光纤通讯系统

They Did It With Mirrors! You can’t stand in front of the paintings of the old masters and not wonder, how did 1) Frans Hals make that lace seem so real? How did 2) Van Dyck make his armor so gleami

发表于:2018-11-28 / 阅读(170) / 评论(0) 分类 疯狂英语2003年

EXPLORATIONS - New Communications Technology By Paul Thompson Broadcast: Wednesday, February 25, 2004 (THEME) VOICE ONE: This is Faith Lapidus. VOICE TWO: A satellite telephone also pictured with its

发表于:2018-12-07 / 阅读(64) / 评论(0) 分类 Explorations

Newtons Apple Tree 牛顿的苹果树 Newton was an English physicist and mathmatician,and was the greatest scientist in his era. 牛顿是一位英国物理学家和数学家,也是他那个时代最卓越的科学家之一。 Isaac Newton was bor

发表于:2018-12-18 / 阅读(78) / 评论(0) 分类 走进剑桥大学

据路透社报道,网络安全研究员鲁本圣马尔塔表示,他发现了一种方法,可以通过飞机WIFI和机上娱乐系统入侵民航客机上的卫星通讯设备.如果该说法得到证实,将引发对飞机安全的重新审视. 机上

发表于:2019-01-01 / 阅读(62) / 评论(0) 分类 双语趣听精彩世界

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(179) / 评论(0) 分类 2017年VOA慢速英语(九)月

FPLMTS 公用陆地移动电信系统 FDMA 频分多址 FITL 光纤环路 FDM 频分复用 FUNI 基于帧的UNI FLEX Frame Relay 讯框传送 Fixed Satellite Communications 固定卫星通讯 Fixed Ne

发表于:2019-01-03 / 阅读(67) / 评论(0) 分类 电信英语

Multimode Optical Fiber(S) Multimode fibers, with much wider cores than single mode fibers, allow light to enter at various angles, and reflect (bounce off of) core-clad boundaries as electromagnetic

发表于:2019-01-03 / 阅读(86) / 评论(0) 分类 电信英语

补充: FAQ - An acronym for Frequently Asked Questions. FAQs are online documents that list and answer the most common questions on a particular subject. Federal Excise Tax - A 3% tax mandated by t

发表于:2019-01-03 / 阅读(50) / 评论(0) 分类 电信英语

By Cathy Majtenyi Nairobi 17 May 2006 An African-wide conference of policy makers, engineers, industry leaders, scientists, and experts in the information and communications technology field, known as

发表于:2019-01-07 / 阅读(131) / 评论(0) 分类 2006年VOA标准英语(五月)

Online communication tools played a huge role in recent government changes in Tunisia and Egypt. But they also showed how easily governments can interrupt Internet traffic and cell phone transmissions. VOA's David Byrd has this look at the future of

发表于:2019-01-14 / 阅读(100) / 评论(0) 分类 VOA标准英语2011年(三月)

On a cold October day this year in China's Inner Mongolia Autonomous Region, about 100 scientists were busy preparing to test their independently developed high-altitude airship. After a 22 hour flight around 20 kilometers above the earth, the airshi

发表于:2019-01-19 / 阅读(84) / 评论(0) 分类 2015CRI中国国际广播电台

Its a stunning location, but its also mysterious. These stars are not just close together. They are on the move at enormous speeds. Going to the heart of a galaxy might not be the similar to going to an amusement park. The rides are some similar to h

发表于:2019-01-22 / 阅读(191) / 评论(0) 分类 自然百科2011年

By Anjana Pasricha New Delhi 01 February 2008 India is continuing to suffer from sluggish Internet service, although the situation has improved somewhat since damage to undersea cables in the Mediterranean caused widespread net disruptions. Anjana Pa

发表于:2019-01-31 / 阅读(47) / 评论(0) 分类 VOA常速英语2008年(二月)

Steve Baragona Polio is on the ropes. A $3 billion global campaign has driven the crippling and sometimes-fatal disease to just six source countries. Experts say the campaign has the potential to win

发表于:2019-01-31 / 阅读(113) / 评论(0) 分类 VOA2004(上)--国际时事

The first quantum communications satellite developed by China is expected to launch in July of this year. The BeijingShanghai quantum private communications line will also be opened in the second half of this year, according to Pan Jianwei, academic

发表于:2019-02-03 / 阅读(61) / 评论(0) 分类 英语新闻

可以调焦的眼镜? They may look like an ordinary pair of spectacles, but these glasses are at the forefront of a revolution in eyewear. 它们看起来像普通的眼镜,但是是眼镜改革的最前沿。 Part of a new line of electronic eye

发表于:2019-02-07 / 阅读(85) / 评论(0) 分类 实用英语

A Chinese satellite will not only help those at the scene of natural disasters report on emergencies but enable passengers on high-speed trains to watch high-definition videos. Shijian-13, Chinas first high-throughput communications satellite, was la

发表于:2019-02-08 / 阅读(47) / 评论(0) 分类 英语新闻

银行作为现代生活必不可少的金融服务机构,你对它们了解多少?你知道我国的中央银行叫什么吗?它与其他银行有什么区别呢?我们都听说过四大国有银行,那么你知道是哪四家吗?今天我

发表于:2019-02-12 / 阅读(54) / 评论(0) 分类 实用英语

BEIJING, June 8 (Xinhua) -- Senior Chinese leader Jia Qinglin has urged the country's aerospace science workers to strive for more breakthroughs in core technologies by taking an independent innovative approach. Jia, a member of the Standing Committe

发表于:2019-02-14 / 阅读(85) / 评论(0) 分类 英语新闻

Sunday marks the first Space Day of China. Chinese President Xi Jinping has encouraged the country's space scientists and engineers to usher in a new chapter in aerospace development. Xi Jinping asked them to seize the strategic opportunity, and keep

发表于:2019-03-12 / 阅读(262) / 评论(0) 分类 cctv9英语新闻2016年
学英语单词
actual array
Ahohite
air-cooled slag
amino glutaric acid
ANTI-HAA
antidiagonal sequence
apios taiwanianus
Asian Industrial Development Council
be famous for
bilboquets
Brook's inductometer
bureau budget
bus services
Chalfont
Cochlearia officinalis
Corydalis leucanthema
decanormal solution
delphinion
double ionization chamber
earthstars
electroscalpel
Eledone
entomopox virus
environmental hypoxia
explicit relation
fatsuits
feeper
felt gasket
fields of fire
fieldstripped
fine texture
flexible shaft type vibrator
Fourier's 2nd law
freezing depth
gelatins
genus Rubus
geographic(al) base map
George Hubert Wilkins
government guaranteed bond
hepatodidymus
housing loan corporation
ingen
intramercurial
Intrasporangiaceae
karatist
lawrensons
Livaditis procedure
matrix management
Mbini
mistransliterates
mother abscess
multilingual word processor
multiple intelligence
navigation lane
neo-lamarckians
non-communist
nondextrinoid
nonrepeatable
nuclear fusion blanket
number of neutrons per fission
nutrasweet
operating surplus
over-deaved
pack something in
paleomagnetists
partition descriptor
percent transmittancy
phosgenes
polarisable
prestandard
prezoning
principalities
publicity hound
quasi homogeneous reactor
Ranil
recessus pro utriculo
retirement benefit
rock bit for water well drilling rig
Rock-a-bye, Baby
self-balancing bridge
sieve selection hypothesis
slipper tank
spark energy
split-pole rotary converter
spontaneous decomposition
steanes
steering instruction
strabismic
suicide bombing
suppresser gene
supracoracoid foramen
throw a scare
tidely
ultrasonic echogram
underconforming
unencumbered balance of allotment
upper sidewall
Urgut
usb driver
varistors
you've got me there
yukkier