调频激光器

It's got to be philanthropic, because profits distract biotech, 这些研究的钱的来源最好是慈善,因为利润会分散生物技术研究公司的注意力, but it's basically got a 90 percent chance, I think, of succeeding in this. 但我

发表于:2018-12-05 / 阅读(270) / 评论(0) 分类 TED演讲科学篇

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(187) / 评论(0) 分类 VOA常速英语2008年(四月)

What's the frequency kenneth is your benzedrine Uh huh I was braindead locked out numb not up to speed I thought I'd pegged you an idiot's dream Tunnelvision from the outsider's screen I never understood the frequency Uh huh You wore our expectations

发表于:2018-12-13 / 阅读(263) / 评论(0) 分类 Friends 老友记全10季英语插曲

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(178) / 评论(0) 分类 2013年VOA慢速英语(二)月

Economics Report - A Closer Look at High-Frequency Trading 经济报道 - 近距离审视股票市场高频交易 This is the VOA Special English Economics Report. 这里是美国之音慢速英语经济报道。 Once, stocks were traded through the

发表于:2018-12-16 / 阅读(227) / 评论(0) 分类 2011年VOA慢速英语(十)月

Unit 8 The Media In-Class Reading It's Radio! The medium that can turn anywhere into somewhere 1 The truth is that radio has not been eclipsed by television and cable and the Internet. In fact, radio

发表于:2018-12-18 / 阅读(498) / 评论(0) 分类 新编大学英语阅读部分

Iknewaguywhoplayedhisradioonlyinthemorning. Whensomeoneaskedhimwhy , hereplied,ThisisanAMradio. Notes: 1.Iknewaguywhoplayedhisradioonlyinthemorning. 我认识一个人,他只在早上收听广播。 2.Whensomeoneaskedhimwhy , hereplied,Thisisan

发表于:2018-12-26 / 阅读(186) / 评论(0) 分类 英语笑话(MP3+文本)

On January 11, Norway became the first country to begin turning off signals from its FM radio network. The Norwegian stations will instead use only digital audio broadcasting, called DAB. FM, or frequency modulation, radio stations have been in opera

发表于:2019-01-02 / 阅读(252) / 评论(0) 分类 2017年VOA慢速英语(一)月

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(200) / 评论(0) 分类 2017年VOA慢速英语(七)月

Delay - This is the wait time between to specific events, and regarding satellite communications, it is the time it takes for a signal to go from the transmission station up to orbit and through the s

发表于:2019-01-03 / 阅读(178) / 评论(0) 分类 电信英语

Focal Length - Distance from the exact center of the dish to the center of the feed. Focal Point - The physical point in space toward which the satellite reflector dish directs the received signal so

发表于:2019-01-03 / 阅读(204) / 评论(0) 分类 电信英语

Enhanced Data rates for GSM Evolution, or EDGE, is a digital mobile phone technology which acts as a bolt-on enhancement to 2G and 2.5G General Packet Radio Service (GPRS) networks. This technology wo

发表于:2019-01-03 / 阅读(224) / 评论(0) 分类 电信英语

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(241) / 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(211) / 评论(0) 分类 2012年VOA慢速英语(一)月

But modulation networks are also activated that deliver endorphins and enkephalins, 不过调制网络也被唤醒,去传递安多芬和脑啡肽, chemicals released when you're in pain or during extreme exercise, creating the runner's high. 这些

发表于:2019-01-17 / 阅读(203) / 评论(0) 分类 TED演讲教育篇

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(223) / 评论(0) 分类 VOA常速英语2007年(十一月)

An end to grey hair and crows-feet could be just 10 years away after scientists showed 科学家发现,动物的衰老过程有可能逆转。 it is possible to reverse ageing in animals. 从此以后,可能仅需10年,人类就可以告别白发

发表于:2019-02-01 / 阅读(203) / 评论(0) 分类 趣味英语

BEIJING, July 26 (Xinhua) -- A research team led by Chinese scientists have discovered dietary modulation of gut microbiota can alleviate both genetic and simple obesity in children. The findings of the team, led by Zhao Liping with Shanghai Jiaotong

发表于:2019-02-02 / 阅读(193) / 评论(0) 分类 英语新闻

There are many ways to express the frequency of events. Here are just a few. 你可以用许多方式来表达事情发生的频率,以下仅为其中一些。 1. a few times 1.几次 2. all the time 2.总是 3. almost always 3.几乎总是 4. almo

发表于:2019-02-03 / 阅读(230) / 评论(0) 分类 实用英语

the previous show Don and Yael discussed communication from other worlds. Well, as it turns out if E.T. does try to phone it will be much more complicated than can you hear me now? D: Okay, Yael, so suppose one day scientists pick up a transmission t

发表于:2019-02-23 / 阅读(189) / 评论(0) 分类 英语时差8,16
学英语单词
acid degumming
Actinidia liangguangensis
Alpine-sun lamp
altaf
apex point
Auriculariales
blucker
Boletus luridus
borehole surveying
bulk/oil carrier
bus hub
carbon arc air gouging
Cardedu
chemical precipitation method
circumflexions
Clonmore
Co-op.
cobalt(ii) titanium oxide
coded read
cognitive triad
conglomerate virtue
Console tree
dipropyl sulfone
direct program access
direct vision orotracheal intubation
documenter
dressing board
efficiency locus
effiux angle
emission section
ensimatic geosyncline
eosinophilic body
eremobatids
euler cireterionphi-function
fabric of deformed rocks
fast reverse
fine-edge blanking
foggers
fuel salt pump
graphite phenolics
Gydanskaya Gryada
Hamdānah
hausbeck
hierodulic
high silicon steel
Holdridge life zone
hydroquinones
important state
independent compilation
inframicrobe
james augustus henry murrays
jet veneer drier
kinmels
Kluge's method
Lasurfeldspar
layout of communication system
lip smack
local contraction
LonWorks
Look-Ahead Bias
Lādīz
marcelline
methylthio group
microfilm strip
misrehearsal
Mūzīn
necromantically
neutrophilic leukocyte
no-value stock
operational test for water fire-extinguishing system
outcomeling
paroxysmal ventricular fibrillation
phosphoric acid electrolyte fuel cell
pilulae aloes et asafoetidae
Poundian
principal problem
pull aspect
purk
put out someone's light
queenes
ram cichlid
rank test
red bauxite
retained import
retortable
Robinson's cervical loop
roller train
self archetype
seller's hedge
seq.
single fiber connector
single study
solid arch bridge
spic and span
starch granules
stuprum
surface micelle
talking date
tangential bifurcation
transfer RNA
two-point breaker
ziwuliuzhu