[航 激光] 航天器激光器

Broadcast: Jan 02 2003 China has announced it plans to launch its first manned spacecraft in the second half of this year to become only the third country to do so. The news comes as China's fourth un

发表于:2018-12-08 / 阅读(147) / 评论(0) 分类 VOA2003(上)-科技先知

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(164) / 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(154) / 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(141) / 评论(0) 分类 VOA标准英语2014年(二月)

[00:05.75]The American space agency has released to the public the first of many new pictures of Jupiter's Moon,Io. [00:15.41]NASA's Galileo spacecraft took the pictures last July and October using both black and white film and color film. [00:25.73]

发表于:2018-12-26 / 阅读(155) / 评论(0) 分类 美国英语听力80篇

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(165) / 评论(0) 分类 2017年VOA慢速英语(七)月

By David McAlary The U.S. space agency, NASA, launched a satellite Saturday that scientists hope will help them locate the sources of mysterious gamma ray explosions, the brightest most energetic burs

发表于:2019-01-03 / 阅读(209) / 评论(0) 分类 VOA2004(下)--健康科技

By David McAlary The U.S. Cassini spacecraft orbiting Saturn has found evidence that the giant planet's dazzling rings are decaying and may eventually be gone. And the rings are dirtier than thought,

发表于:2019-01-03 / 阅读(178) / 评论(0) 分类 VOA2004(下)--健康科技

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(236) / 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(218) / 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(186) / 评论(0) 分类 2012年VOA慢速英语(一)月

AS IT IS 2015-07-15 US Spacecraft Flies by Pluto After Nine-Year Trip It has taken more than nine years for an American spacecraft to reach the far edge of our solar system. The spacecraft, named New Horizons, sailed past the dwarf planet Pluto on Tu

发表于:2019-01-12 / 阅读(152) / 评论(0) 分类 2015年VOA慢速英语(七)月

China's first cargo spacecraft, the Tianzhou-1, was launched on Thursday from the Wenchang Space Launch Center in southern China's Hainan Province. Tianzhou-1 is the first cargo ship independently developed by China and is expected to dock with the o

发表于:2019-01-19 / 阅读(167) / 评论(0) 分类 2017CRI中国国际广播电台

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(196) / 评论(0) 分类 VOA常速英语2007年(十一月)

BAIKONUR, Kazakhstan, April 5 (Xinhua) -- Russia launched a spacecraft with three astronauts on board from the Kazakh Baikonur space center early on Tuesday, Xinhua correspondents(通讯记者 ) reported from the site. The Soyuz TMA-21 spacecraft

发表于:2019-02-05 / 阅读(177) / 评论(0) 分类 英语新闻

WASHINGTON, March 25 (Xinhua) -- NASA's Stardust spacecraft(宇宙飞船) depleted fuel and ceased operation on Thursday after a 12-year run, the U.S. space agency said Friday. This is the end of the spacecraft's operations, but really just the begin

发表于:2019-02-07 / 阅读(153) / 评论(0) 分类 英语新闻

BEIJING, Sept. 27 (Xinhuanet) -- Last-minute preparations for the launch of the Tiangong-1 spacecraft began at the Jiuquan Satellite Launch Center on Monday, meaning the vehicle can soon embark on a mission that will eventually have it dock with a sp

发表于:2019-02-07 / 阅读(149) / 评论(0) 分类 英语新闻

WASHINGTON, May 25 (Xinhua) -- SpaceX's unmanned Dragon capsule docked with the International Space Station on Friday and became the first commercial spacecraft to reach the orbital outpost. According to U.S. space agency NASA, the capsule was secure

发表于:2019-02-08 / 阅读(147) / 评论(0) 分类 英语新闻

MOSCOW, May 24 (Xinhua) -- Russia's Soyuz TMA-20 spacecraft with three crew members onboard has landed in Kazakhstan on Tuesday, said the Mission Control Center (MCC) outside Moscow. The spacecraft(宇宙飞船) undocked from the International Space

发表于:2019-02-18 / 阅读(158) / 评论(0) 分类 英语新闻

Americans are worse at spelling than Britons, with more than half unable to spell embarrassed, liaison and millennium。 美国人在拼写单词方面不如英国人,超过一半的美国人不会拼embarrassed、liaison和millennium。 Despite th

发表于:2019-02-19 / 阅读(170) / 评论(0) 分类 英语新闻
学英语单词
4th grade
alhajis
angel of the schools
angle ridge
antimonotone
arylsilanol
Auger recombination
azimuthing propeller
bablabs
basal trangressive lithofacies
bile duct disease
black-bean
bobbin carrier
Boniface II
Border collie
boxed dimension boxing
bozo eruption
brainstorm it
BW301U
calleri
carriable piston shape
cell cohomology group
cellpadding
Chare Thursday
check over
chronic myelocytic leukemias
civitate
comminutor of the European Communities
cosine law
Davy's yellow fluid
dete
dogwhips
dotardly
double expansion nozzle
dyssymboly
emergency stop cock
Eulonia
Ferribacteriales
floresiensis
flower heads
Formiga
fosterling
freezing period
genny pepper
geometrical dip
hammerless gun
heateth
hemilabyrinthectomy
intrinsic temperature range
inventory adjustment credits
iron oaks
it's a dog's life
Khākrīz
Labuhanbajo
ladnier
lead(ii) acetate
look up from one's book
Lunz
magneto-strictive delay-line
make a hit
management by wandering around (mbwa)
managerial approach
Mandas
mangu
matchweeds
mergers
Minimum approach distance
misanthropes
mock-up-type measurement
modern thermodynamics
moral bankrupt
nail chinch holding ability
narrowing of the ring
neocortical
nondyskeratotic
nozzle holder
off-beam
operator control language command
paging
piled in
play catch
pretensioned binding
ratio of carrier-to-interfering signal
rational interval function
savings-investment equilibrium
sfsascsuslstsys-s
Sixth Commandment
sliping
syncromeshes
Ternstroemia gymnanthera
three-instantaneous profile
train order signal
unpunctuated
Valea Lungǎ
vipac fuel
VSG
waiting staff
watertight deck
windowlight
wire material
yesterday breadwinner
zip-front