激光辐射二次谐波

The Sundance Film Festival gets under way with a promise to return to its roots, showcasing independent films. Founder Robert Redford is also urging festival-goers to remember the earthquake victims in Haiti. Live now to Sundance in Park City, Utah.

发表于:2018-12-02 / 阅读(140) / 评论(0) 分类 CNN2010年(一)月

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(273) / 评论(0) 分类 英语绕口令大全

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(143) / 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(129) / 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(113) / 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? Why do some chords sound sweet but others make you wince? Well it appears our earsor at least the ears of 250 Minnesota undergradsprefer chords containing harm

发表于:2018-12-24 / 阅读(160) / 评论(0) 分类 Scientific American(五)月

[00:34.06]Websites which show user-generated video clips [00:37.78]have had phenomenal success [00:40.05]on the Internet in 2006. [00:42.77]The most successful of these sites [00:45.21]is undoubtedly YouTube, [00:47.63]which has become one of the wor

发表于:2018-12-26 / 阅读(172) / 评论(0) 分类 轻松英语之旅

Students who listened to different chords rated as more pleasing the ones that westerners think of as harmonious, the individual notes of which have definite mathematical relationships 【英文文本】 Why do some chords sound sweet but others make

发表于:2019-01-02 / 阅读(150) / 评论(0) 分类 60秒科学

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(140) / 评论(0) 分类 2017年VOA慢速英语(七)月

China's clean-energy-generated power usage on rise BEIJING, Nov. 24 (Xinhua)-- Consumption of clean-energy-generated electricity has increased in China as it looks to become less reliant on fossil fuels, statistics from the State Electricity Regulato

发表于:2019-01-07 / 阅读(140) / 评论(0) 分类 英语新闻

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(216) / 评论(0) 分类 2005年NPR美国国家公共电台

用词错误 1) Students must know how to operate a computer. / Students must know how to work on a computer. 2) People can be exposed to many new things on the Internet. / People can learn many new things on the Internet. 3) The purpose of this lett

发表于:2019-01-08 / 阅读(122) / 评论(0) 分类 大学四六级阅读

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(189) / 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(163) / 评论(0) 分类 2012年VOA慢速英语(一)月

Bribing your child with a chocolate bar to finish his or her maths homework is an excellent idea, according to researchers who claim that the yummy treat could improve the brain's ability to do the most dreadful subject. 研究人员指出,用一块巧

发表于:2019-01-14 / 阅读(148) / 评论(0) 分类 实用英语

[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(256) / 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(164) / 评论(0) 分类 VOA常速英语2007年(十一月)

Vocalist Catherine Russell is always searching for that next great melody. She's found more than a dozen of them to sing on her latest album, Inside This Heart Of Mine. Catherine Russell is a perfectionist when it comes to choosing her material. Her

发表于:2019-02-06 / 阅读(151) / 评论(0) 分类 VOA标准英语2010年(六)月

Making the Most of What You Have If you believe the saying that what doesn't kill you makes you stronger, then the people in New Orleans have got to be among the strongest people in the world. I went back home several times in the past year and each

发表于:2019-02-13 / 阅读(136) / 评论(0) 分类 阅读空间

Simplified Spelling Society: Let's get phonetic 英文应该简化么? The Simplified Spelling Society (SSS) is celebrating its 99th birthday by launching a new campaign to make it easier to read and write English. It may be the world's most univer

发表于:2019-02-22 / 阅读(139) / 评论(0) 分类 实用英语
学英语单词
a high number
a-month
academic interest
acromelanic factor
action sketch
active reserve capacity
affectionado
aggregated pneumatic unit control instrument
air pilot valve
aminobutanoate
anemia of hypogonadism
arteriolar nephritis
automatically repaired computer
B roads
base pitch measurement
benzylaminopurine
brain-size
Carlmahr's cylinder gauge
Chumbela
Colos
command rejection
confere
cyclopregnol
decolourisations
defaecations
delayed skin grafting
delible
dentiles
disinfection chamber
ditransitive
e-mail filter
endocentric construction
equivalent conjugation
fixed-term imprisonment
flat bottom
following-up type
force of gravity
free residual chlorination
gear meshing time limit
go the whole coon
gormanites
Have done!
headache-free
helical axis
hemiblastula
his high mightiness
housebroken
hydrophobing agent
hypolunatum
INCB
indeavors
integrated manufacturing software system
intervalences
item designation
ladypalm
LCR meter
logical unit name
mass diagnosis
member support
multiple-species
musculi extensor carpi radialis longus
nihaus
numero unos
oil refinery
onoff
Oromocto
parallel scale
plasma-arc melting
pocket electroscope
production center costing
prop aerial root
propaesin
quercies
radiogeophysics
RDS.A
reactor runaway
rear coil spring
reveille
rhizoma et radix ligustici sinensis
Ricketon
root phase
ruysh's vein
sea carrier
seismographs
should not
soft-heartedly
steam atomizing burner
structure ductility
testing set
textidents
Timini
tipto
uk border
unconstrained market clearing prices (umcp)
urban-mobility
Urodela
vacuum tray drier
virus yellow
vitellogenetic
worldwide profit
wrist plate
yonagunia formosana