砷化镓激光器

以字母O开头英语绕口令: 1.On a lazy laser raiser lies a laser ray eraser. 1.在一个反应迟钝的激光器上放了一个激光消除器。 2.Old oily Ollie oils old oily autos. 2.油腔滑调的奥利给老油汽车抹油。 3.One-One

发表于:2018-12-03 / 阅读(273) / 评论(0) 分类 英语绕口令大全

By Carol Pearson Washington 30 April 2008 Ten years ago, the U.S. Food and Drug Administration approved LASIK, eye surgery with a laser that enables people to see without glasses. But about five percent of LASIK procedures fail, and those patients ca

发表于:2018-12-08 / 阅读(143) / 评论(0) 分类 VOA常速英语2008年(四月)

1. A judge has found 3 New York Police detectives not guilty in the shooting death of an unarmed man. The officers shot Sean Bell 50 times just hours before his wedding. Rev. Al Sharpton has called for a federal investigation. 2. An eight-mile stretc

发表于:2018-12-15 / 阅读(190) / 评论(0) 分类 美联社新闻一分钟2008年(四)月

EXPLORATIONS - The History of the Laser Welcome to EXPLORATIONS in VOA Special English. Im Mario Ritter. This week, we tell about one of the most recognizable objects in science fiction the laser. It is one of the best examples of how technology can

发表于:2018-12-16 / 阅读(129) / 评论(0) 分类 2013年VOA慢速英语(二)月

New Laser Device Helps Parkinson's Patients Walk 新激光设备帮助帕金森患者重获行走能力 Parkinsons disease slowly destroys the brains ability to control the muscles, depriving the patients of their mobility. Researchers at the Mayo Cl

发表于:2018-12-16 / 阅读(113) / 评论(0) 分类 VOA标准英语2014年(二月)

Conversation 1 A: They are state-of-the-art computers. Would you like to see how it works? A:这些是最尖端的电脑。您想看看它是如何操作的吗? B: Yes, please. B:好的,麻烦你了。 A: OK. Let me just have it all set up in

发表于:2018-12-25 / 阅读(114) / 评论(0) 分类 最In导购口语

[00:00.00] MODULE THREE [00:13.84]Research [00:15.78]Unit one [00:19.96]I'm looking for information. [00:23.04]1.Look,listen and learn [00:33.99]A:Come here, Lingling. [00:36.81]Mum has bought a new computer for us. [00:40.15]This is the keyboard. [0

发表于:2018-12-29 / 阅读(149) / 评论(0) 分类 新标准小学英语第五册(三年级起点)

The United States Navy has demonstrated a new laser weapon operating in the Persian Gulf. The Laser Weapons System, or LaWS, is deployed on the USS Ponce transport ship. A live test firing of the weapon was recently carried out for Cable News Network

发表于:2019-01-02 / 阅读(140) / 评论(0) 分类 2017年VOA慢速英语(七)月

Roger Wilkison Libyan leader Moammar Gadhafi has hailed his first visit to Europe in 15 years as historic and followed up his renunciation of weapons of mass destruction with a pledge to work for worl

发表于:2019-01-04 / 阅读(202) / 评论(0) 分类 VOA2004(上)--各类新闻

Some dinosaurs were really huge, and now we may have a better way to estimate just how heavy these giants were. Researchers have developed a method to weigh dinosaurs based on laser scans of their skeletons. The study is in the journal Biology Letter

发表于:2019-01-08 / 阅读(214) / 评论(0) 分类 Scientific American(六)月

This is All Things Considered. I'm Michelle Norris. Phone calls from Sweden woke up two American scientists this morning, John Hall and Roy Glauber. They will share the Nobel Prize for Physics with a German Researcher Theodor Haensch. All three worke

发表于:2019-01-08 / 阅读(216) / 评论(0) 分类 2005年NPR美国国家公共电台

The History of the Laser Welcome to EXPLORATIONS in VOA Special English. Im Mario Ritter. This week, we tell about one of the most recognizable objects in science fiction the laser. It is one of the best examples of how technology can go from the sci

发表于:2019-01-12 / 阅读(191) / 评论(0) 分类 2013年VOA慢速英语(五)月

EXPLORATIONS - The Laser: Futuristic Science Found at Your Local Store MARIO RITTER: Welcome to EXPLORATIONS in VOA Special English.Im Mario Ritter. This week, we tell about one of the most recognizable objects in science fiction the laser. It is one

发表于:2019-01-12 / 阅读(163) / 评论(0) 分类 2012年VOA慢速英语(一)月

Tensions between Switzerland and Libya are continuing to escalate as Libyan leader Moammar Gadhafi enacts a number of retaliatory measures to protest the recent arrest of his son and wife in Geneva. The son, Hannibal Gadhafi and his wife were arrest

发表于:2019-01-13 / 阅读(154) / 评论(0) 分类 VOA标准英语2008年(七月)

A son of Libyan leader Moammar Gadhafi met senior Bush administration officials Tuesday in another sign of improved U.S.-Libyan relations. Saif al-Islam Gadhafi sees Secretary of State Condoleezza Rice Thursday. VOA's David Gollust reports from the

发表于:2019-01-13 / 阅读(179) / 评论(0) 分类 VOA标准英语2008年(十一月)

Libyan leader Muammar Gadhafi has lashed out at the United States by likening the 1986 U.S. Strikes on Libya to Osama bin Laden's terror attacks on the United States in 2001. He was speaking Thursday in Rome, where he is on a three-day official visi

发表于:2019-01-13 / 阅读(170) / 评论(0) 分类 VOA标准英语2009年(六月)

[0:0]lable laboratory lad lag标签,标记 实验室 男孩,小伙子 落后,滞后 [1:9.3533]lamb landlord landscape lane羔羊,小羊 地主,房东,店主 风景,景色 小路,小巷 [1:52.8522]largely laser latter laughter大部分,主要地 激光器 后者的,末了的 笑,笑声 [2:36.6

发表于:2019-01-16 / 阅读(257) / 评论(0) 分类 闭着眼睛飘单词 四级词汇

By Paul Sisco Washington 14 November 2007 At the McDonald Observatory in western Texas, a unique space program has been quietly underway for more than 30 years. It is called the Lunar Laser Ranging Program. VOA's Paul Sisco has more. Research scienti

发表于:2019-01-31 / 阅读(164) / 评论(0) 分类 VOA常速英语2007年(十一月)

极素白极纯净,没有一点尘埃,仿佛天堂的所在。这样美好无暇的颜色却让人刺痛得张不开眼。在这白晃晃的空间里,Silje对着镜头睁大她那毫无表情的瞳孔,低吟浅唱,旁若无人。 我们还是需要一点杂质的,这和我们无法呼吸百分之百的纯氧是一个道理。 My heart's not lonel

发表于:2019-02-04 / 阅读(259) / 评论(0) 分类 音乐咖啡厅

Science and technology 科学技术 Solar power from space 太空太阳能 Beam it down, Scotty 老兄,传下来吧 Harvesting solar power in space, for use on Earth, comes a step closer to reality 在太空获取太阳能以供地球之用:梦想距

发表于:2019-02-16 / 阅读(153) / 评论(0) 分类 经济学人科技系列
学英语单词
2T pulse
absorbing centres
Afars and Issas
alveolar ectasias
anomias
azimuth head
baby-pink
beachcomb
bripadon
callechelys marmorata
cashpoint card
changed round
cheat raisin
chiral invariant
clifty
coffinites
command search
concurrent interests
course stability
cuscus
Dalay Hāyk'
depublication
detenu
distortion limited operation
divisible
dubioside
earpicks
edis
electric-resistance seam-welding
equestrian sports
fatty compounds
Feodor Mikhailovich Dostoyevsky
flavias
for decoration
forearm free skin flap
framed wood pile dolphine
fruiting year
halolestin
highly-geared
housing law
hyperplasia of cervix uteri
hysteresis coupler
hysterochroic
indoor coal storage yard,dry coal shed
industrial information section
interim account
jack-tars
Kaputir
kennicott
Koch's tuberculin
lab assistant
leaseback
lecturership
length-of-service
magnesium titanate porcelain
man-pack television unit
mass
mcleay
Meyer hardness
mirana(puerto mirana)
naevomelanocytes
non-semi-simple
nontackle
OCSP
octachoron
of a like kind
off cycle
oluhnen
one-step mutation
operans
optical disk data storage materials
parergon
payment service
pentadactylus
personal incomes
quiet steel
rarefied gas flow
read-and-react
reciprocal algebra
residual voltage transformer
riveting gun
salfemane(c.i.p.w.)
shuts out
special valuation
spies and spying
start cell
sulcus sigmoideus
systematic desensitisation
Take a punch
tau-component
titainite jacupirangite
total column volume
trifluoromethylations
Tsalapitsa
types of evidence
uk express
uremic mdullary cystic disease
vaginae tendinis musculi poplitei
Vetschau
Watari
water glider
wonderwork