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This is Scientific American's 60-Second Science. I'm Christopher Intagliata. Got a minute? Whether it's for streaming Netflix or sharing files, we're gobbling up more and more dataand we want it faster. But even shooting data with lasers over fiber-o

发表于:2018-12-24 / 阅读(105) / 评论(0) 分类 Scientific American(五)月

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(100) / 评论(0) 分类 电信英语

D type Channel Bank A D type channel bank is channel termination equipment used for combining (multiplexing) individual analog channel signals on a time division basis. D type channel banks provide in

发表于:2019-01-03 / 阅读(157) / 评论(0) 分类 电信英语

The government reports the nation's Gross Domestic Product fell one percent in the first quarter, a far slower contraction than the previous quarter when GDP shrank 6.4%. President Obama called it progress resulting from his administration's actions

发表于:2019-01-08 / 阅读(101) / 评论(0) 分类 2009年NPR美国国家公共电台8月

发表于:2019-01-10 / 阅读(124) / 评论(0) 分类 Jolly Songs

AS IT IS 2015-05-12 South African's Love Affair with Vinyl Records 南非与黑胶唱片的情缘 Benjy Mudie owns Vinyl Junky. He flips through records inside his Johannesburg store. His vinyl albums are much more expensive than CDs or MP3s - digita

发表于:2019-01-12 / 阅读(63) / 评论(0) 分类 2015年VOA慢速英语(五)月

Zimbabwe's Prime Minister-designate Morgan Tsvangirai says he is to meet with Zimbabwean President Robert Mugabe next week to discuss a much-delayed power-sharing agreement. The announcement came as he prepared to return home after a two-month absen

发表于:2019-01-13 / 阅读(215) / 评论(0) 分类 VOA标准英语2009年(一月)

Britons have been watching almost 2-1/2 hours more television a week this year as cash-strapped people stay at home more -- and because there's more to watch, figures showed on Tuesday. Official statistics from The Broadcasters' Audience Research Boa

发表于:2019-01-15 / 阅读(91) / 评论(0) 分类 实用英语

Which is the hardest word to translate in this sentence? 哪一个单词是这个句子中最难翻译的? Know is easy to translate. know是很容易翻译的。 Pep rally doesn't have a direct analog in a lot of languages and cultures, but can be

发表于:2019-01-17 / 阅读(77) / 评论(0) 分类 TED演讲教育篇

The Blue Box 蓝盒子 The ultimate combination of pranks and electronicsand the escapade that helped to create Applewas launched one Sunday afternoon when Wozniak read an article in Esquire that his mother had left for him on the kitchen table. 恶作

发表于:2019-01-22 / 阅读(86) / 评论(0) 分类 乔布斯传

On Wednesday, 3 protesters entered the Waihopai spy base and caused damage to a large globe covering a satellite dish. The director says that the damage could be as much as $1 million. Waihopai is near Blenheim in the north of the South Island. It ha

发表于:2019-01-27 / 阅读(102) / 评论(0) 分类 新西兰英语

SCIENCE IN THE NEWS - Rethinking the Personal Computer in a World That Centers on the InternetBy Caty Weaver and produced by Mario Ritter Broadcast: Tuesday, August 15, 2006 VOICE ONE: This is SCIENCE

发表于:2019-01-30 / 阅读(118) / 评论(0) 分类 2006年慢速英语(八)月

Abrupt junction 突变结 Accelerated testing 加速实验 Acceptor 受主 Acceptor atom 受主原子 Accumulation 积累、堆积 Accumulating contact 积累接触 Accumulation region 积累区 Accum

发表于:2019-02-05 / 阅读(93) / 评论(0) 分类 实用英语

By Craig McCulloch Las Vegas 18 April 2007 Leaders in the U.S. broadcast industry are discussing new technologies and trends at the annual meeting of the National Association of Broadcasters in Las Vegas,Nevada. As Craig McCulloch reports, HD Radio,

发表于:2019-02-05 / 阅读(122) / 评论(0) 分类 2007年VOA标准英语(四月)

当很多成人还在等待苹果的iWatch上市,孩子们已经可以拥有自己的智能手表了。Kidizoom推出一款名为Vtech的儿童智能手表准备抢滩节日玩具市场。 这款儿童智能手表售价60美元,屏幕1.4英寸,可

发表于:2019-02-06 / 阅读(179) / 评论(0) 分类 阅读空间

Three men who damaged the Waihopai spy base near Blenheim were found not guilty last week. The jury took just two hours to decide they were not guilty. In April 2008, these three protesters attacked the Waihopai base. They waited until it was dark th

发表于:2019-02-06 / 阅读(125) / 评论(0) 分类 新西兰英语

Zimbabwe's Prime Minister Morgan Tsvangirai has returned to Harare after receiving treatment in Botswana for injuries sustained in a car crash that killed his wife. Zimbabwe's PM Morgan Tsvangirai, seen, addressing mourners at his home, in Harare, 0

发表于:2019-02-06 / 阅读(101) / 评论(0) 分类 VOA标准英语2009年(三月)

To the surprise of exactly no one, Apples new generation of iPhones will not include a standard 3.5mm headphone input. The decision signals the demise of an audio port thats been used for more than 100 yearsand honestly, its about time. The death of

发表于:2019-02-06 / 阅读(110) / 评论(0) 分类 阅读空间

常用句型科技文章中经常使用若干特定的句型,从而形成科技文体区别于其他文体的标志。例如Itthat结构句型;被动态结构句型;结构句型,分词短语结构句型,省略句结构句型等。 举例如下

发表于:2019-02-18 / 阅读(93) / 评论(0) 分类 英语口译

The humanitarian model has barely changed since the early 20th century. 人道主义的模型自从20世纪初期就几乎没有改变过 Its origins are firmly rooted in the analog age. 它的起源在模拟时代就根深蒂固了 And there is a ma

发表于:2019-03-04 / 阅读(134) / 评论(0) 分类 TED演讲教育篇
学英语单词
a block of
a ging
air operated
aluminium poisoning
average sphericity
away from it all
bbas
brake-operating pin
business news
carte-blanche
Cebicure
cherednik
Chorokhi
clamped-tool
clithrum
codonopsis radix
coeloglossums
coherent communication system
contact treating
control margin
crablikest
crossing form
cupressaceaes
diagonal compression failure
diluting water
Dury
effective dipole moment
enslavings
estroprogestative
evasion of exchange control
feckless
flock life of ewe
for-raked
fork tidbits
Fourneau 710
fractorite
frame, page
functional hypothalamic amenorrhea
glass tube pressure gauge
gosling
HIAD
immunoserum
intransigent
jennens
karagan
Karimojong
krzyzewski
landed quantity
lesbi
lipton
Litsea taronensis
lumbrous
maharam
miquels
misleadeth
molophilus (molophilus) costalis
mostars
myricaria prostrata benth. et hook.f.
neely
nonpesticidal
norcurane
official watch testing station
oil felt pad
over commutation
over-curious
partial crit
persian screw
personal injury
pitching into
recessful
renal lobule
Rubia leiocaulis
Russell effect
saddle grafting
scolecobonaria filiformis
self regulating device
serendipity
setting mechanism
sexodus
shut together
slender centauries
soft dentin
sound information
source-coupled logic
sternalgia
sweating of paraffin
the cardinal virtue
thinny
top-mounted
transfer certificate of title
transuranium elements
trick-or-treats
under-
unenchanted
ungrounded bridge
universal hydrometer
vapor cooling
variable arm
vestibulo-cochlear artery
wet sand blasting
Zhemchuzhnyy
zinc acetylide