激光行扫描传感器

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)

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Real-time information about whats happening in our bodies at the cellular level could be crucial for fighting cancer and other life-threatening conditi

发表于:2018-12-24 / 阅读(150) / 评论(0) 分类 Scientific American(十二)月

One of the most exquisite heat sensors in the worldits not in some government lab. It's in the head of a snake. The pit viper, to be specific. They're incredibly sensitive. They beat any of the synthetic counterparts, even the most expensive semicond

发表于:2018-12-24 / 阅读(140) / 评论(0) 分类 2017年Scientific American(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

Pre-Listening Vocabulary questionable: uncertain; disputable crossbar: the bar at the top of a net wave off: to indicate that no goal has been scored sensor: a device that measures and records things like movement or light officiator: referee New Tec

发表于:2018-12-28 / 阅读(187) / 评论(0) 分类 趣谈英语

[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

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

By Zulima Palacio Atlanta, Georgia 20 December 2007 The Christmas season is celebrated in communities throughout the United States. Producer Zulima Palacio recently visited Stone Mountain Park outside Atlanta in the southeast state of Georgia to take

发表于:2019-01-11 / 阅读(140) / 评论(0) 分类 VOA常速英语2007年(十二月)

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

[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)

When you're out shopping it can sometimes feel like you're always stuck at the end of the longest line. 外出购物,总免不了碰上排队这个老大难问题:长长的队伍似乎总排不完。 Shoppers know this age-old dilemma all to well

发表于:2019-02-06 / 阅读(114) / 评论(0) 分类 阅读空间

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
a lump of clay
absolute owner
advance ratio
advaunces
alcohol coauglation test
alkyd baking primer
allowance strength
Archeozoic
aspartic acid dating
auriphone
ballott? en avant
baltic seas
bidirectional reflectance
bug spray
Bukharin
Burkitt's lymphoma
cadralazine
cantoniensis
carry two faces under one hood
cemrels
chalaiss
characteristic of
ciliated ring
circuit cards
cleanser
combined maritime riverine shipment
Copper State
de-specialization
demolition block
dentellated
dermatitis herpetiformis
developmental center
direct sum of linear spaces
disease of nail-root
Dunning, John Ray
electrical power unit
emperiale
energy-magnitude
engineering unit
ESEG
essence of peppermint
fine linen
firillar
flash-forward
frankfurts
Frederick Sound
gambusias
glamorpuss
graded free category
gravity transport-ing cable-way
group delay time
heterochron
high temperature-pressure dyeing machine
hydroacoustic mine detector
index case
interweaves
johnsonianism
Kidinnu
Krautrock
left to one's own devices
lichenans
majs
marginal investment
meltingly
mesoglutaeus
Metathenardite
ororrhea
other-domain resource
parahematin
parahydroxydiphenyl
payment on invoice
plank sheathing
private-use character
qualitative accent
relieve
right to product distribution
rubinson
San Mateo, C.
semi-states
shell reactivation
ship's depth
singular conic
Skiddaw slate
soave
spiral seal
spray type air cooler
stewarts
stone masonry dam
system optimize
table napkin
takes a shit
terminal stopping device
the dinner table
thermal medium heater
tied rank
tortiously
trend value
unification-based grammar
Welland Ship Canal
working life