雷射激光泵耦合效率

AA: I'm Avi Arditti with Rosanne Skirble, and this week on WORDMASTER: When two people click, that means they really understand each other. Well, that metaphorical clicking could be the sound of what researchers call speaker-listener neural coupling.

发表于:2018-12-04 / 阅读(99) / 评论(0) 分类 词汇大师(Wordmaster)

今天要学的一个词是:pump。pump,Pump一般是指泵,或抽水机。可是今天讲的pump是指汽车加油站的泵。英国石油公司宣布停止在阿拉斯加的石油开采,《洛杉矶时报》的标题说:Oilfield Closure t

发表于:2018-12-04 / 阅读(121) / 评论(0) 分类 英语每日一词

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(94) / 评论(0) 分类 VOA常速英语2008年(四月)

1597 、 弹性形变 elasticdeformation 1598 、 弹性常数 elasticconstant 1599 、 弹性极限 elasticlimit 1600 、 弹性模量;弹性模数 modulusofelasticity 1601 、 弹性应变能 elas

发表于:2018-12-08 / 阅读(102) / 评论(0) 分类 英文名句短语

1891 、 翼面;空气动力面 aerofoil;airfoil 1892 、 翼规 wingcompasses 1893 、 声强度 soundintensity 1894 、 联接;轴接 coupling 1895 、 联轴节;联接器 coupling 1896 、 联锁

发表于:2018-12-08 / 阅读(92) / 评论(0) 分类 英文名句短语

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(84) / 评论(0) 分类 2013年VOA慢速英语(二)月

4. At the end of adolescence, however, the brain shuts down half of that capacity, preserving only those modes of thoughts that have seemed most valuable during the first decade or so of life. 【分析】复合句。句子主干为 the brain shuts d

发表于:2018-12-30 / 阅读(71) / 评论(0) 分类 考研英语长难句讲解

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(102) / 评论(0) 分类 2017年VOA慢速英语(七)月

This is Scientific Americans 60-Second Science, Im Steve Mirsky. Got a minute? The 2010 Nobel Prize in Chemistry goes to the University of Delawares Richard Heck, Purdues Ei-ichi Negishi and Hokkaido Universitys Akira Suzuki for their work in develop

发表于:2019-01-08 / 阅读(108) / 评论(0) 分类 Scientific American(十)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(141) / 评论(0) 分类 2013年VOA慢速英语(五)月

By David Gollust State Department 15 February 2007 The United States Thursday expressed cautious hope that this week's election in Turkmenistan will be a step toward democracy, even though the new president, Gurbanguly Berdimuhammedov, won with near

发表于:2019-01-12 / 阅读(123) / 评论(0) 分类 2007年VOA标准英语(二月)

And I'm not sure how to fix it because I'm only a scientist. 我只是个科学家,不知如何解决这个问题。 But maybe one way to do it is to go back to the more natural way of communication, which is a dialogue, 但或许有个可行的方法

发表于:2019-01-18 / 阅读(93) / 评论(0) 分类 TED演讲科学篇

He was going to ride his bike down to South Ferry. He squeezed the tires. They were soft. They needed air. I should buy a pump one of these days, he thought. He rode his bike to K-Mart on 34th Street. He walked the bike inside the store. He went to t

发表于:2019-01-22 / 阅读(107) / 评论(0) 分类 英文短篇故事(纽约)

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(117) / 评论(0) 分类 VOA常速英语2007年(十一月)

今天要学的一个词是:pump。pump,Pump一般是指泵,或抽水机。可是今天讲的pump是指汽车加油站的泵。英国石油公司宣布停止在阿拉斯加的石油开采,《洛杉矶时报》的标题说:Oilfield Closure t

发表于:2019-02-02 / 阅读(131) / 评论(0) 分类 英语单词荟萃

Modes of Travelling 1.有人选择随团旅游,有人喜欢独自出游 2.随团旅游和独自出游的利与弊 3.对我而言,最佳的旅游方式是 【精彩范文】 Modes of Travelling College students, curious and energetic, love traveli

发表于:2019-02-09 / 阅读(97) / 评论(0) 分类 英语四级作文范文

今天要学的一个词是:pump。pump,Pump一般是指泵,或抽水机。可是今天讲的pump是指汽车加油站的泵。英国石油公司宣布停止在阿拉斯加的石油开采,《洛杉矶时报》的标题说:Oilfield Closure t

发表于:2019-02-16 / 阅读(124) / 评论(0) 分类 学个词

Todd: Now, Barbara, it's really good to see you. I heard that you were in the hospital. Barbara: Yes, I was. I got sick in august last year and luckily I was with my students and the lady was a nurse. She and her husband drove me to the hospital. I w

发表于:2019-02-18 / 阅读(80) / 评论(0) 分类 原版英语对话1000个

Shipping, initially derived from the word relationship, is thedesire by fans for two people, either real-life celebrities or fictionalcharacters, to be in a relationship, romantic or otherwise.Shipping often takes the form of creative works, includin

发表于:2019-02-25 / 阅读(112) / 评论(0) 分类 英文语法词汇

Todd: Now, Barbara, it's really good to see you. I heard that you were in the hospital. Barbara: Yes, I was. I got sick in august last year and luckily I was with my students and the lady was a nurse. She and her husband drove me to the hospital. I w

发表于:2019-03-06 / 阅读(116) / 评论(0) 分类 英语趣味课堂
学英语单词
abdominoperineal resection
adenopoda
agree to sth
alpha beam
Anderlecht
arsinosalicylic acid
attritting
away match
azan (turkey)
baofeng
camfer
cash in one's check
Champagne Berrichonne
cherish a resentment against
civic design
closed-circuit nozzle
coated glass
computer-animated
conductivity type
conservatees
cooler bag
counterpropagating
coupling efficiency between laser and pump modes
cover oneself with glory
crematogaster nawai
cuspidaline
cutting oil additive
defuse
delivery of set unit
distiller's dried grains
dreamily
evergreen shrub
excess flow test
exit weir
fanteland
fixed-term staff
flirtable
fog sprayer
fomitopsis persoonii
free-knot
frillier
froth with rage
full-frontal
gap gene
genus leptoptiluss
geostrophic degeneracy
hand lifting lever
heavy denier
hinkson
hybrid arq scheme
Hydrophylleae
hylopathy
hypnocysts
in-package
isoamyleneguanidine
java message service
keyboard interrupt
launching wedge
mids-off
Mikhail Kalinin
mis-light
molybdenum base material
Morse twist drill
non-vessel-owning common carrier
nonresectabl
offshore-finance
omitted
out of bed
p.
painful bladder syndrome
paper-cutters
pasmo
patent agreement
Phenylpseudohydantoin
positive scanning agent
recovery area logging
relational realism
release voltage
rough-forging
Salix shandanensis
second antennal segment
setting machine
shareholders' derivative action
shoot Niagara
st of final state
Stand easy
stearine
straightforwardnesses
sycoceric acid
synchromysticism
taper hole of spindle
technology matrix
tedatioxetine
Terakanāmbi
tick fevers
time-sharing language
Traube-Hering wave
two-dimensional hologram
var. ganglion sublinguale
waqisah (waksa)
wood-turning
zonotope