超短光脉冲激光器

Section (A)Graceful HandsI have never seen Mrs. Clark before, but I know from her medical chart and the report I receivedfrom the preceding shift that tonight she will die. The only light in her room is coming from a piece of medical equipment, which

发表于:2018-12-04 / 阅读(99) / 评论(0) 分类 新视野大学英语读写教程(3)

澳洲流行天后 Kylie Minogue 最新MV《Crystallize》!小女孩演绎还没当歌星前的凯莉,拿着梳子对着镜子忘情歌唱,热舞。一代歌后的成长史呀,很励志的一首歌,有梦想就要去追逐。 歌词: When

发表于:2018-12-14 / 阅读(64) / 评论(0) 分类 流行英文歌曲

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(80) / 评论(0) 分类 2013年VOA慢速英语(二)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(67) / 评论(0) 分类 2015年Scientific American(一)月

Mr. Ford:Now a key question you might ask yourself is what differentiates the new x420 line with our previous models, and also of course with some of our competitors. Mr. Ford: In other words what makes the x420 stand out from all the others? This is

发表于:2018-12-25 / 阅读(52) / 评论(0) 分类 纯正地道美语

图片1 glitter vi.闪闪发光,闪烁,闪光 n. 闪光 例句:The diamond ring on Nina's finger glittered in the light. 尼娜手指上的钻石戒指在灯光下闪闪发光。 illuminate vt. 照明,照亮,阐明,说明,使灿烂诚照

发表于:2018-12-30 / 阅读(109) / 评论(0) 分类 漫画搞定六级词汇(文本+音频)

Ouch! About a quarter of all school-age kids will break or otherwise damage a tooth. Adults have their share of cracked chompers too. But what if fixing a busted bicuspid was as easy as zapping it with a laser? Preliminary work with young rats has mo

发表于:2019-01-02 / 阅读(101) / 评论(0) 分类 英伦广角

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(96) / 评论(0) 分类 2017年VOA慢速英语(七)月

American, French, Canadian Scientists Win Nobel Physics Prize Two men and a woman have won the 2018 Nobel Prize in Physics for their inventions in the field of laser physics. 两位男士和一位女士因为他们在激光物理领域的发明获得了

发表于:2019-01-03 / 阅读(109) / 评论(0) 分类 2018年VOA慢速英语(十)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(95) / 评论(0) 分类 Scientific American(三)月

One of the world's most amazing migration is about to begin in earnest: 300 million monarch butterflies spread across North America are about to converge on small forests in the mounts of Mexico. This year, the butterflies have an unusual company as

发表于:2019-01-08 / 阅读(150) / 评论(0) 分类 2005年NPR美国国家公共电台

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(145) / 评论(0) 分类 2005年NPR美国国家公共电台

By Zulima Palacio Atlanta, Georgia 20 December 2007 The Christmas season is celebrated in communities throughout the United States. Producer Zulima Palacio recently visited Stone Mountain Park outside Atlanta in the southeast state of Georgia to take

发表于:2019-01-11 / 阅读(79) / 评论(0) 分类 VOA常速英语2007年(十二月)

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(133) / 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(93) / 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(81) / 评论(0) 分类 2010年VOA慢速英语(九)月

AS IT IS 2014-03-16 Device Finds Malaria Infections in Seconds 通过医疗设备发现人体内疟疾感染只需几秒钟 Hello, and welcome to As It Is, from VOA Learning English. Im Steve Ember in Washington. Today on the program, we report on ho

发表于:2019-01-12 / 阅读(97) / 评论(0) 分类 2014年VOA慢速英语(三)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(120) / 评论(0) 分类 英语语言学习

Two Prepare for ' Spirit of Pakistan ' Journey Jon Tkach Islamabad 21 Jun 2001 09:20 UTC Two Pakistani 1)pilots are preparing what they hope will be a 37,000 kilometer journey around the world in an 2

发表于:2019-01-31 / 阅读(71) / 评论(0) 分类 VOA2001-国际风云(1)

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(111) / 评论(0) 分类 VOA常速英语2007年(十一月)
学英语单词
A.M.P.S.
Albigensian
aluminonickel
asoyan
automatic synchronizer
Bahceli
bascionic sensilla
bearing support of agitator
betwens
bourgueticrinid
burning-off curve
butriptylene
checkerings
chlamydias
cloud density
colluviations
congestion window
conjunctures
cufenium
D.Cc.,DCc
daldrin
dance of salome
design-one-way spread
diadematids
dolefulness
East Bergholt
ecologic setting
end window counter tube
enzymic clarification
epiphyllae
fairway
file purging
fundamental sound
genus Salpiglossis
hermatomyces sphaericus
high order line interlace
human dignity
interfaith marriage
inverse marcator projection
inward-toll board
isomesia
Italian iron
Karma, Ouadi
Kransky
left subtree of the root
lip tile
low-noise cathode
Lubenau's egg culture-medium
lubricator oil reservoir
lye hominy
Maave
maenor
manganilmenite
mccb
methosulfates
MISP programme
mold coating inoculation
National Association of Manufacturers
national-cashregister electronic autocoding technique
nongrooming
obelizes
occupational injury
oligonychus meifengensis
palaeomagnetic direction
patelloida saccharina
phylum
planky
puttenham
Real-time os
reineckia carnea kunth
relative algebraic number field
Relli
replication factor
river-mouth
rosula
rubber structures
Rybnoye
Sanger-Brown ataxia
self-conflict
sfw
silicon alloy diode
skeleton drawing
sketched
slide lathe
snizzo
Somatropin(rh-GH)
subjectivity
subsequent dripping
sulfonylureas
superweak luminescence
suppressed strabismus
system resident volume
textual edit
touchtone dial
traverse b.
uloma nomurai
ultrasonic vibrator
upset bolt
way operated circuit
wrote off
yacht clause