中红外线半导体雷射

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(169) / 评论(0) 分类 VOA常速英语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(163) / 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(149) / 评论(0) 分类 VOA标准英语2014年(二月)

New Laser Heals Wounds Faster, Without Scarring 新激光治疗伤口好的更快且没有疤痕 All surgical patients want their wounds to heal quickly with the least possible scarring. But traditional stitches, clips and more modern chemical glues

发表于:2018-12-16 / 阅读(137) / 评论(0) 分类 VOA标准英语2015年(四月)

Sometimes it is hard to see the light, especially it lies in the invisible spectrum, like ultrared, ultraviolet radiation. But if you long to see the unseeable, you might interested to hear that under certain conditions people can catch a glimpse of

发表于:2018-12-24 / 阅读(161) / 评论(0) 分类 2015年Scientific American(一)月

seldom ad.很少 select vt.选择,挑选 a.选择的,精选的 selection n.选择,精选的人或物 self n.自己,本身;私心 selfish a.自私的 sell vt.卖,出售;出卖,背叛 vi.卖,销售 semester n.学期 semiconductor n.半导

发表于:2018-12-30 / 阅读(166) / 评论(0) 分类 大学英语四级词汇拼读版

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(175) / 评论(0) 分类 2017年VOA慢速英语(七)月

This is Scientific American 60 Second Science, I am Karen Hopkin, this will just take a minute. Every year, about 10 million tons of paper winds up in American landfills and incinerators, which is not only wasteful but adds CO2 to the atmosphere. Rec

发表于:2019-01-08 / 阅读(175) / 评论(0) 分类 Scientific American(三)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(246) / 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(228) / 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(195) / 评论(0) 分类 2012年VOA慢速英语(一)月

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(206) / 评论(0) 分类 VOA常速英语2007年(十一月)

351. odd a. 奇特的,古怪的;奇数的 352. omit vt. 省略 353. opponent n. 敌手,对手 354. opportunity n. 机会,时机 355. orchestra n. 管弦乐队 356. semester n. 学期;半年 357. se

发表于:2019-02-03 / 阅读(342) / 评论(0) 分类 英文语法词汇

What to Do If Your Industry Is on the Way Out 如果你所在的行业过时了怎么办People in almost every profession may feel like jobs are scarce right now. For many industries, this is a temporary situation. But jobs in some fields are expec

发表于:2019-02-05 / 阅读(179) / 评论(0) 分类 阅读空间

Early effect 厄利效应 Early failure 早期失效 Effective mass 有效质量 Einstein relation(ship) 爱因斯坦关系 Electric Erase Programmable Read Only Memory(E2PROM) 一次性电可擦除只读

发表于:2019-02-05 / 阅读(198) / 评论(0) 分类 实用英语

Can 外壳 Capacitance 电容 Capture cross section 俘获截面 Capture carrier 俘获载流子 Carrier 载流子、载波 Carry bit 进位位 Carry-in bit 进位输入 Carry-out bit 进位输出 Casc

发表于:2019-02-05 / 阅读(171) / 评论(0) 分类 实用英语

What are some dumb questions you have been asked? 你都被问过哪些让人无语的问题? 获得6.7k好评的答案@Abhinav Gaur I work for a semiconductor company which makes electronic chips. On being asked about what I do, I once told to one

发表于:2019-02-06 / 阅读(174) / 评论(0) 分类 阅读空间

Microsoft and Intel 微软和英特尔 Wintel swings 微软和英特尔各觅新欢 The marriage that dominated personal computing becomes more open 强强联姻主导个人电脑市场之势日趋明朗 TOGETHER Microsoft, the maker of the Windows o

发表于:2019-02-16 / 阅读(140) / 评论(0) 分类 经济学人商业系列

PC:个人计算机Personal Computer CPU:中央处理器Central Processing Unit CPU Fan:中央处理器的散热器(Fan) MB:主机板MotherBoard RAM:内存Random Access Memory,以PC-代号划分规格,如PC-133,PC-1066,PC-2700 HDD:硬

发表于:2019-02-18 / 阅读(208) / 评论(0) 分类 实用英语

By 1996 Apple's share of the market had fallen to 4% from a high of 16% in the late 1980s. 到1996年,苹果的市场份额已经从80年代末的高达16%下降到4%。 Michael Spindler, the German-born chief of Apple's European operations who had

发表于:2019-02-22 / 阅读(326) / 评论(0) 分类 乔布斯传
学英语单词
acetoxyketobemidone
algebra isomorphism
antingen-antibody complex
axial mesoderm
beauty parlor
bid date
bifidocoelotes bifidus
Calzecchi-Onesti effect
catch leaf
choukidar
Chucha
class anthozoas
control signal synthesis
corrosionresisting
crabwood
crystal surface
Damāvand, Qolleh-ye
Decobra alloy
delusional idea
direct operating cost
dishallowed
disown
distribution costs
divet
duties on buyer's account
eielson
elastic lip
electric resistance wire strain gauge
embossed tile
equalizer decision rule
extension valve case
fantasticisms
federated states of micronesias
field ion microscopy(FIM)
fishbellies
floorers
form closed cam mechanism
formosan giant flying squirrel
forward aid program
fuar
Gagere, R.
gocar
gulfy
gymnophyllous
hammer into
have good lungs
helical vibration feeder
hide one's head
high performance display
hoboing
humorism
inflight refuelling
interval between graticule wires
kurvey
labour discipline
lithium sulphate
maintainabilities
make ... way
mean refraction
measuring eyepiece
merchant wholesaler
minorss
mistura chloroformi
mue
nautical linear units
nlds
nonsleepers
Novrad
offering circular
oil-based ink
one-gallused
Orbieu
oxidized sludge
parasitize
penur
people's democratic united front
Phacidiales
piper hainanensis hemsl.
plain gap
radioactive contamination measurement
reflector prism
related party transaction
relationship of put-call parity
relaxation theory
resistance-type mercury barograph
roscrea (ros cre)
runge
Ryazan'
saddle of lamb
semiflexible board
Serah
service stations
sixty-fifth
snaptrap method
time-over-target conflict
toi, toi, toi
train slack
transidione
treatment of insular species
ultrasonic standing wave
unknighted
vice-chamberlains