单模激光二极管

Section A Short Conversation [00:04.78]1.It seems to me that there is no need to have a screen on the door in the winter [00:12.04]We usually put it on in summer, don't we? [00:16.90]The only reason for having a screen on the door is [00:21.94]to kee

发表于:2018-12-01 / 阅读(241) / 评论(0) 分类 决胜六级英语听力

Section A [00:02.90]1.W:You've heard my report. Are there any comments? [00:07.94]M:On the whole,I agree with what you said. [00:12.20]But your last point about putting on a play doesn't seem to be very practical. [00:18.55]How can we put on a play w

发表于:2018-12-01 / 阅读(260) / 评论(0) 分类 决胜六级英语听力

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(254) / 评论(0) 分类 英语绕口令大全

by Jason Marshall In recent articles, weve talked about two methods of calculating average values, the mean and the median, and weve talked about some everyday uses for them such as how to use median averaging to get better photos. But thats not all

发表于:2018-12-07 / 阅读(181) / 评论(0) 分类 数学英语

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(129) / 评论(0) 分类 VOA常速英语2008年(四月)

auxiliary anode 辅助阳极 auxiliary grid 辅助栅极 auxiliary jack 辅助塞孔 auxiliary memory 辅助存储器 auxiliary signal 辅助信号 auxiliary transmitter 备份发射机 available powe

发表于:2018-12-08 / 阅读(120) / 评论(0) 分类 电信英语

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(110) / 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(97) / 评论(0) 分类 VOA标准英语2014年(二月)

This is Scientific American's 60-Second Science. I'm Christopher Intagliata. Got a minute? Whether it's for streaming Netflix or sharing files, we're gobbling up more and more dataand we want it faster. But even shooting data with lasers over fiber-o

发表于:2018-12-24 / 阅读(140) / 评论(0) 分类 Scientific American(五)月

Pre-Listening Vocabulary switch: move to a different position Wi-Fi: a wireless network that provides Internet connection Bluetooth: a trademarked name for a short-range wireless connection for computerized devices GPS: global positioning system, a s

发表于:2018-12-28 / 阅读(131) / 评论(0) 分类 趣谈英语

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(124) / 评论(0) 分类 2017年VOA慢速英语(七)月

Multimode Optical Fiber(S) Multimode fibers, with much wider cores than single mode fibers, allow light to enter at various angles, and reflect (bounce off of) core-clad boundaries as electromagnetic

发表于:2019-01-03 / 阅读(132) / 评论(0) 分类 电信英语

中文 英文 缩写 单(点)播 unicast 单板 board/card 单边测试 one-sided test 单边带 Single Side Band SSB 单边带调制 single sideband modulation 单边带自适应差分 single ban

发表于:2019-01-03 / 阅读(157) / 评论(0) 分类 电信英语

1135 、 晶体点阵;晶体格构;晶格 crystallattice 1136 、 棘轮和爪 ratchetandpawl 1137 、 棘齿 ratchet 1138 、 棘齿弓钻 ratchetbrace 1139 、 壳型模塑 shellmoulding 1140 、

发表于:2019-01-03 / 阅读(144) / 评论(0) 分类 英文名句短语

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(186) / 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(171) / 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(140) / 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(222) / 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(143) / 评论(0) 分类 VOA常速英语2007年(十一月)

如果你要暂时逃离这个世界,与世隔绝,暂时不想和熟人接触,你可能会不接电话,不带手机,不上社交网站。通常是因为和恋人分手或者是工作不顺。 今天要介绍的俚语是airplane mode,用来形

发表于:2019-02-09 / 阅读(149) / 评论(0) 分类 美国俚语
学英语单词
.sl
AJA, A.J.A.
Altar of Repose,altar of repose, the
aluminum frame
assembling shop
associative storage registers
back money
ball-bearing
be a rich seam to mine
be open to conviction
Blavier's test
bond outstanding
book entry system
building brick
calycanthuss
checkering tool
cleanabler
closed loop tranfer function
Cofasol
combination interlock relay
compensating axle suspension
contingent delivery of reinforcer
copper blister
corporation laws
counterfeitness
cristoforo
criterion of control quality
crossprotection
Dampal, Tk.
dereligionized
DM converter
dorsal longitudinal ligament (or superior common ligament)
dust guard well
dynamic coupler
dyspragia intermittens
Emāmzādeh Esmā'īl
Equitable Banking Corporation
errors of compass
Euphorbia turkestanica
extensin
fetishlike
flesh-eater
flexor brevis digitorum
fortran 90
Fourier spectrometer
genitointestinal
geometric tolerance
indoors voice
inertial stabilizer
interferometric technique
Khaypudyra
Kvarkeno
lady susan
ligamentum allantooccipitalis lateralis
liquid cooling
Long Forties
make a good impression
massiveness
mercuric phenate
meyte
mthsp75
N-methyl-benzamide
nasioiniac
nervosum
nonspenders
nozzle resonance
nuclear magnetic resonance frequency shift
parrent
phosphorite
piecewise smooth curve
Pirobong
play a trick on a person
post treatment
print function
Pyelorrhaphy
quasi-homogeneous alignment
r/w driver
redhardness
richhill
Saint Mathurin's disease
scarfed bloom
school record
shullenge
spurious vein
stalk-liker
Symplocos fukienensis
syracuses
turnbuckles
unawarely
unconscious level
unfair trade practices
vaginae tendinum musculi peronaeorum communis
verdits
Vernet's syndrome
vestar
viverras
wash something out
wattage dissipation
white embroidery
whys
wild cashew
with mirrors