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By Caty Weaver Broadcast: July 25, 2003 This is Bill White with the VOA Special English Environment Report. Researchers say they have found a way to reduce the cost of some 1)fuel cell production. The

发表于:2018-12-01 / 阅读(147) / 评论(0) 分类 VOA2003(下)-环境与健康

Cells cannot remain alive outside certain limits of temperature and much narrower limits mark the boundaries of effective functioning. Enzyme systems of mammals and birds are most efficient only withi

发表于:2018-12-01 / 阅读(234) / 评论(0) 分类 新东方背诵文选

Learning a New Operating System Vanessa: [gasps] What happened to my computer overnight? This cant be my computer. Reza: It is. The tech guys installed a new operating system on all of the computers after hours. Vanessa: But my desktop looks complete

发表于:2018-12-03 / 阅读(101) / 评论(0) 分类 2015年ESL之商务英语

Instead the purchase ended up bringing in Avie Tevanian, 不过,这次收购倒是让阿维泰瓦尼安加盟进来, who could help the existing Apple operating system evolve so that it eventually incorporated the kernel of the NeXT technology. 他

发表于:2018-12-11 / 阅读(81) / 评论(0) 分类 乔布斯传

Its easy to think of computer as just machinery: buttons, screens and parts that work together. But the magic of computers comes from something makes them unique to you. This is Computer Software In Plain English. The problem with computers is that m

发表于:2018-12-11 / 阅读(89) / 评论(0) 分类 英语解说豆知识2009年

For something that could revolutionize the world, its come along very slowly. The fuel cell was invented in 1839, but there was little development until the 1950s when NASA started to use them in space where they are still used today. Now, after yea

发表于:2018-12-30 / 阅读(127) / 评论(0) 分类 国家地理2008年

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. We can get viruses from the Internet. But can we catch viruses on our cell phones? A new study in the journal Science says yes, but the spread of such ma

发表于:2019-01-08 / 阅读(84) / 评论(0) 分类 Scientific American(四)月

PCRthe polymerase chain reactionis a crucial tool. The DNA amplification technique is used in genome sequencing, forensics and the diagnosis of various diseases. To give researchers more genetic material to work with, a PCR instrument repeatedly heat

发表于:2019-01-08 / 阅读(84) / 评论(0) 分类 Scientific American(十)月

There's an iconic image of Bill Gates that might help explain our collective fascination with this legendary businessman and his most famous creation, the Microsoft Corp. It's a mug shot from 1977, taken after Gates was pulled over in Albuquerque, N.

发表于:2019-01-08 / 阅读(196) / 评论(0) 分类 英语小短文

Some bacteria have adapted to super cold environments for millions of years. And scientists have isolated some of the essential genes that allow bacteria to tolerate their harsh living conditionsbecause these same genes might help in the creation of

发表于:2019-01-11 / 阅读(123) / 评论(0) 分类 英语杂谈

Siri Comes to Mac Computers Earlier this month, Apple announced new technology at its yearly Worldwide Developers Conference (WWDC). In the last Personal Technology report, we talked about the changes to Apples iPhone and iPad operating system. Today

发表于:2019-01-12 / 阅读(176) / 评论(0) 分类 2016年VOA慢速英语(七)月

Yang addressed the question concerning the passenger transport services provided by private cars through online car-hailing apps. If private car owners want to provide profitable services to the public, matters concerning passenger transport safety a

发表于:2019-02-01 / 阅读(63) / 评论(0) 分类 英语新闻

WASHINGTON, Aug. 4 (Xinhua) -- Researchers have found a way to turn mouse embryonic stem cells into sperm and this finding opens up new avenues for infertility research and treatment, according to astudy published Thursday in the online edition of jo

发表于:2019-02-04 / 阅读(230) / 评论(0) 分类 英语新闻

Turn Off Your Cell Phone 关掉你的手机 We went to the movie the other night. I sat in an aisle seat as I usually do, because it feels a little roomier. Just as the feature was about to start, a blonde from the center of the row got up and starte

发表于:2019-02-07 / 阅读(213) / 评论(0) 分类 趣味英语

Server management can be simplified The need to reduce the complexity of IT infrastructure management remains a priority on every IT managers agenda. One of the most prominent open standards addressing that need, Intelligent Platform Management Inter

发表于:2019-02-08 / 阅读(132) / 评论(0) 分类 实用英语

LOS ANGELES, June 18 (Xinhua) -- Microsoft Corp. unveiled Monday a family of tablets dubbed Surface, built on Windows 8, at an event in Los Angeles. Microsoft Chief Executive Steve Ballmer introduced the company's Surface family of tablets. The devic

发表于:2019-02-17 / 阅读(106) / 评论(0) 分类 英语新闻

China is seeking to make its own secure smartphones, in an attempt to insulate its handsets from US surveillance. 中国正寻求自主研制安全智能手机,以防中国手机被美国监控。 The effort involves both State-owned companies and

发表于:2019-02-17 / 阅读(57) / 评论(0) 分类 英语新闻

WASHINGTON, May 11 (Xinhua) -- Researchers at Brigham and Women 's Hospital (BWH), a teaching affiliate of Harvard Medical School, have identified(鉴定) a human lung stem cell that is self-renewing and capable of forming and integrating multiple bi

发表于:2019-02-18 / 阅读(165) / 评论(0) 分类 英语新闻

What has been the most embarrassing moment of your life? 你人生中最尴尬的事是什么? 获得6.1k好评的答案 This happened 2 years ago. 这件事发生在两年前。 During 5th semester, our prof was teaching Operating Systems via slid

发表于:2019-02-18 / 阅读(299) / 评论(0) 分类 阅读空间

饶舌:Tech N9NE - Check Yo Temperature 相关介绍 :2008年9月是Tech N9NE事业的一个里程碑,他的双CD专辑《Killer》突破100万张的销售记录。2009年4月7日,Rock The Bells 2009 Festival邀请他来做演出,今年10月的

发表于:2019-02-18 / 阅读(85) / 评论(0) 分类 节奏布鲁斯
学英语单词
adenectopia
adjoint group of a Lie algebra
advertise for
aggregative index
aluminum alloy casting
Andrespol
appropriator
argala
aureamediocritas
belt differential factor
bigger-is-better
blacks out
blast finishing
breeze concrete support
Buona Vista
cage platform
carbon segregation
co-manage
community theater
conazole
congenital epicanthus
Conner, Mt.
cylindrical carcinoma
de power
deglue
diass
doosh
dorees
dual stroke (pneumatic) cylinder
eben
epsilon phase Z
fiants
fixed charge ratio
Flein
flow rate increase
frequency overlap
front-row
gabana
glomerular proteinuria
glyoxylates
grave-robbing
high-intensity radiation
high-order reaction
hundred-percent section
hydrosilication
ichthyosarcotoxism
immunogranulomatous disease
in the spirit
inseminating pit
jury propeller
kinetoplastid
Kispiox
Kochevaya
Komborodougou
kruesis
lamina dentalis
law code
Lederspan
lowbush blueberries
lower plane
Lyginopteris
macrostage
mediaeval furniture
mercury naphtholate
multidomain grain
nancee
naphthenic crude
narcotic antagonists
natrium dehydrocholicum
neutron induced fission reaction
Nonox
of
order of procedure
ordered scattering
outright rate of exchange
overdistributed
oxo-catalyst
package management system
paginal translation
parachutings
Pasidoi
PGLA
plant-own power
pneu-gallbladder
pomb
pornographized
posterior genuala
presbytis geei
quasi-linear partial differential equation
register transfer logic
reived
reverbering
shirthunt
skew field
smonitza
soil-forming rock
squiff
sweet potato shochu
table driven parsing
thyratron inverter
unscrambling grid
vertical cyclone furnace