中红外线 AlGaAsSb-InGaAsSb 二极体雷射

[00:04.49]home homework [00:07.92]n.家;家乡,本国a.家庭的;家乡的,本国的 n.课外作业 [00:11.34]homeogeneou honest [00:13.77]a.同种类的,同性质的,有相同特征的 a.诚实的,正直的,老实的 [00:16.20]honesty honey hono(u)r

发表于:2018-11-30 / 阅读(293) / 评论(0) 分类 考研英语词汇2005

苏珊和安德鲁今天讨论的主题是人工智能..... Andrew: Some people are really interested in artificial intelligence and the role that it will play in the future. Other people dont care at all. So I would say that Im in the first camp. I

发表于:2018-12-03 / 阅读(145) / 评论(0) 分类 话匣子英语

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(133) / 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(125) / 评论(0) 分类 2013年VOA慢速英语(二)月

FAITH LAPIDUS: This is SCIENCE IN THE NEWS in VOA Special English. Im Faith Lapidus. BOB DOUGHTY: And Im Bob Doughty. Today, we will tell about a new cancer treatment and a study of the disease malaria. We will tell about the possibility of drier con

发表于:2018-12-16 / 阅读(120) / 评论(0) 分类 2010年VOA慢速英语(十一)月

A volcano in Iceland had been dormant for more than 180 years. But then a few weeks ago, this started. The volcano is erupting, and some scientists say it could last for more than a year. That's about how long it went the last time this happened,th

发表于:2018-12-20 / 阅读(188) / 评论(0) 分类 CNN2010年(四)月

This is Scientific American's 60-Second Science, I'm Cynthia Graber. This will just take a minute. Ben Franklin started it and it's hotter than ever: research on lightning. For the first time, a team of European scientists have used lasers to create

发表于:2018-12-24 / 阅读(133) / 评论(0) 分类 Scientific American(四)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(156) / 评论(0) 分类 Scientific American(五)月

There Paul Jobs could tinker with cars and his son with electronics. 在车库里,保罗乔布斯可以修汽车,而他儿子可以玩他的电子设备。 Its other significant attribute was that it was just over the line inside what was then th

发表于:2018-12-26 / 阅读(117) / 评论(0) 分类 乔布斯传

[00:06.37]The United States has a new official clock. [00:10.95]The clock began operating late last year in the American city of Boulder,Colorado. [00:18.39]Experts say the new clock is so exact that it will neither gain nor lose so much as one secon

发表于:2018-12-26 / 阅读(130) / 评论(0) 分类 美国英语听力80篇

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(160) / 评论(0) 分类 英文名句短语

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(185) / 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(158) / 评论(0) 分类 2012年VOA慢速英语(一)月

STEVE EMBER: Im Steve Ember. FAITH LAPIDUS: And Im Faith Lapidus with EXPLORATIONS in VOA Special English. This week, we tell about one of the most recognizable objects in science fiction the laser. And we tell how the laser has made its mark in the

发表于:2019-01-12 / 阅读(118) / 评论(0) 分类 2010年VOA慢速英语(九)月

Lasers Used to Chill, Instead of Heat 有史以来第一次:科学家使用激光冷却液体 University of Washington researchers say they used a laser to turn hot water into cool water. Five engineers from the university are the first in the 50-yea

发表于:2019-01-12 / 阅读(103) / 评论(0) 分类 2015年VOA慢速英语(十二)月

Last month, Washington, D.C., opened a new kind of trade school of which it is immensely proud. This is not one of the old-fashioned vocational schools that taught literal nuts-and-bolts repair work or hands-on career training in fields like auto re

发表于:2019-01-12 / 阅读(138) / 评论(0) 分类 VOA标准英语2008年(九月)

LULU GARCIA-NAVARRO, HOST: Forget about scarecrows. Some farmers are using laser beams to shoot thieving birds from their fields. From the berry fields of Oregon, Tom Banse of the Northwest News Network brings us this report. TOM BANSE: Blueberry and

发表于:2019-01-17 / 阅读(106) / 评论(0) 分类 2018年NPR美国国家公共电台8月

Random numbers are hugely important for modern computing. They're used to encrypt credit card numbers and emails. To inject randomness into online gaming. And to simulate super complex phenomena, like protein folding or nuclear fission. But here's th

发表于:2019-01-20 / 阅读(134) / 评论(0) 分类 2016年Scientific American(九)月

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 science of the future to eve

发表于:2019-01-24 / 阅读(180) / 评论(0) 分类 英语语言学习

Starting with a big new step for America's food supply. The FDA has approved genetically modified apples that won't brown as quickly and potatos that won't bruise. But not anyone is on board, McDanold says it won't use GMO potatos, neither will ?, a

发表于:2019-01-29 / 阅读(104) / 评论(0) 分类 访谈录2015年
学英语单词
al-Lail
animal physiochemistry
antipolis
arkadies
binary internal translator
black jaundice
breakage-fusion-bridge cycle
carpet moss
Ceilhes-et-Rocozels
chain-reaction bankruptcy
change request
characteristic-curve
chironemid
clean-energy
combination defence
confession of defence
crispis
cursive style
delgada pt.
domos
double dunnage
electrically controlled birefrin-gencemode
electronic readout equipment
Ellington
emplacement
error of closure in azimuth
Euglypha
ewing submarine camera
excess chlorination
expansion equipment
facet name
factory automation
family gerreidaes
Favirab
four C's
Frequency tolerance.
fumigatable
Galatia
Galeobdolon tuberiferum
glass dial
gravity chute feed
gummed-up
Haller fibre
Heilbronn
heterocyclic rings
inflation process
jagganaths
Jesusanity
Klyuchevskiy
lead stomatitis
liquid scintillation counters
lottoes
manual assembly
manufacturing capacity utilization rate
metal diaphragm pump
micro hardness test
misunderstood
mobilizing ilpase
moldauite
monocerotin
moving picture projector
multiple-activity process chart
nahes
nuit blanche
ovestin
parabolic comet
Phaeacia
phase change printer
photopolymerization system
Pietraperzia
place a check on something
PLATO, Plato
plow back
potentializing
pseudapocryptes elongatus
pseudointellectualisms
pulmonary abscese
pyrocoelia analis
rectoblique plotter
rockbound
school lunches
sequoiene
ship manifest
shodder
silicon bulk micromachining
Skelde
Slovenskoye
Smilax rotundifolia
soul-music
stress dislocation
t-block
terrain-following
tiltable antenna
Tiňoso, C.
trouble report
twenty-fourmo
undrawn yarn
unwealy
vapor-bath
vexillum coccineum
video alteration