四元数椭圆空间

This is Mars on Earth, a station that was built to help us learn how to live on the red planet. A group of explorers and NASA scientists are spending the next two weeks inside this habitat, trying to figure out how people will live on Mars. The NASA

发表于:2018-12-03 / 阅读(124) / 评论(0) 分类 自然百科2008年

Broadcast: Jan 29, 2003 By Paul Thompson VOICE ONE: This is Mary Tillotson. VOICE TWO: And this is Steve Ember with the VOA Special English program EXPLORATIONS. Today we tell about a space rock that

发表于:2018-12-07 / 阅读(150) / 评论(0) 分类 VOA2003(上)-科技导航

VOICE ONE: I'm Shirley Griffith. VOICE TWO: And I'm Steve Ember with EXPLORATIONS in VOA Special English. Today we tell about the flights that followed Apollo Eleven to the moon. (MUSIC) VOICE ONE: The summer of nineteen sixty-nine was a special tim

发表于:2018-12-07 / 阅读(122) / 评论(0) 分类 VOA慢速英语2009年(七)月

歌曲: Always and forever 艺人: Krypteria 音乐星级: ★★★★ 所属专辑: In Medias Res 发行年代: 2005 风格: Gothic Metal 相关介绍: Krypteria原本只是几个音乐人用来挑战梦想的短线组合,最后却成为筑梦踏实的最佳样板。80年代末期三个喜欢Kiss、Judas Pri

发表于:2018-12-14 / 阅读(210) / 评论(0) 分类 金属

Atlantis Crew Ready for Final Shuttle Mission The end of an era is near. The U.S. space shuttles - the complex workhorses of the U.S. space program - are being retired so NASA can focus on developing spacecraft that can travel beyond low-Earth-orbit.

发表于:2018-12-16 / 阅读(113) / 评论(0) 分类 VOA标准英语2011年(七月)

As Discovery begins its 39th and final mission into Earth's orbit Thursday, America's 30-year space shuttle program comes one step closer to its scheduled end this April. The aging fleet of reusable spacecraft has become an American technology icon,

发表于:2018-12-16 / 阅读(114) / 评论(0) 分类 VOA标准英语2011年(二月)

76 years after Pluto's discovery and after 17 years of research and development, Nasa's new Horizon Spacecraft sets out for Pluto. Travelling at around a million miles a day, it's on a 9-year, 700-million-dollar journey to reach Pluto and review its

发表于:2018-12-27 / 阅读(764) / 评论(0) 分类 探索与发现2015年

我们今天学的词是:planet。Planet是行星。不过你听说了吗,太阳系中排行第九的行星冥王星Pluto被降级了。Astronomers' reclassification strips ninth planet of status in solar system. 国际天文学会对行星重新定

发表于:2018-12-30 / 阅读(149) / 评论(0) 分类 英语每日一词

Broadcast: June 4, 2003 By Paul Thompson VOICE ONE: This is Ray Freeman. VOICE TWO: And this is Steve Ember with the VOA Special English program EXPLORATIONS. Today, we tell about how astronauts prepa

发表于:2019-01-02 / 阅读(201) / 评论(0) 分类 VOA2003(上)-科技导航

By David McAlary Washington 26 June 2006 Members of the space shuttle Discovery crew leave the Operations and Checkout building during a count down dress rehearsal for flight STS-121 at the Kennedy Space Center in Cape Canaveral, Flarida on June 15,

发表于:2019-01-06 / 阅读(195) / 评论(0) 分类 2006年VOA标准英语(六月)

By David McAlary Washington 18 February 2007 The U.S. space agency NASA has launched five satellites - the most ever from one rocket - to locate the source of energy in Earth's magnetic field that triggers the colorful, dancing auroras over the north

发表于:2019-01-12 / 阅读(167) / 评论(0) 分类 2007年VOA标准英语(二月)

Atlantis Crew 'Honored' to Be On Final Shuttle Mission The space shuttle Atlantis is preparing for the final mission of the U.S. shuttle program next month. Atlantis's crew is excited and reflective before the space craft's last flight. The crew, led

发表于:2019-01-14 / 阅读(137) / 评论(0) 分类 VOA标准英语2011年(六月)

As the world observes the 40th anniversary of the historic moon landing on July 20, 1969, the U.S. agency that accomplished that feat is working on plans for a return to the moon and an even more ambitious plan to use the moon as a base for missions

发表于:2019-01-14 / 阅读(143) / 评论(0) 分类 VOA标准英语2009年(七月)

By Alex Villarreal Washington 25 October 2007 The U.S. space shuttle Discovery has docked at the International Space Station, marking the next phase in a complex mission to expand the international orbiter. VOA's Alex Villarreal reports from Washingt

发表于:2019-01-31 / 阅读(149) / 评论(0) 分类 2007年VOA常速英语(十月)

Working in Project Space One of the givens in David Allens Getting Things Done is that you cant do a project. Instead, Allen recommends you break projects down into immediate next actions, discrete doable chunks that can be cranked through with a min

发表于:2019-02-08 / 阅读(205) / 评论(0) 分类 阅读空间

The U.S. space shuttle(航天飞机) Discovery has completed its work at the International Space Station on its 39th and final mission, and is preparing for Wednesday's scheduled landing at the Kennedy Space Center in Florida. The shuttle success

发表于:2019-02-17 / 阅读(143) / 评论(0) 分类 英语新闻

MOSCOW, Oct. 24 (Xinhua) -- The Russian Space Agency Roscosmos confirmed on Monday the list of next crew members who will fly to the International Space Station (ISS) on Nov. 14. Russia's Soyuz TMA-22 spacecraft will bring Russian cosmonauts Anton Sh

发表于:2019-02-18 / 阅读(188) / 评论(0) 分类 英语新闻

BEIJING, Nov. 3 (Xinhua) -- Two Chinese spacecraft accomplished the country's first space docking procedure early Thursday, silently coupling in space more than 343 km above Earth's surface. Nearly two days after it was launched, the unmanned spacecr

发表于:2019-02-18 / 阅读(141) / 评论(0) 分类 英语新闻

JIUQUAN, June 16 (Xinhua) -- She is a wife. She belongs to China's one-child generation. On Saturday, 33-year-old Liu Yang becomes the country's first woman entering space. The home-grown Shenzhou-9 spacecraft, atop an upgraded Long March-2F carrier

发表于:2019-02-19 / 阅读(154) / 评论(0) 分类 英语新闻

我们今天学的词是:planet。Planet是行星。不过你听说了吗,太阳系中排行第九的行星冥王星Pluto被降级了。Astronomers' reclassification strips ninth planet of status in solar system. 国际天文学会对行星重新定

发表于:2019-02-24 / 阅读(198) / 评论(0) 分类 学个词
学英语单词
abscess of prostate
access control procedure
actual crossing area
agreement on tele-communication
alkaline rinse
autowinders
avenage
beat a parley
bovine ephemeral fever
Bumhkang
cacodylic
chap-fallen
competitive power
constant lamberts
Coyote Peak
cystic endometrial hyperplasia
datum drift
DaunoXome
deviation scale
double sided impeller
dripping oil range
dual track
electron-neutron interaction
endozoochore
enstrengthening
ethoxyethyl acetate
express shipment container
farrakhan
FDQB
feelgoodery
floating cell
Flogobron
flush scuttle
fourth plan
free-free absorption
gang-cask
graviturbation
Grizel
hardening points
HPRR (health physics research reactor)
hyperkeratosis subungualis
instant replay
Integral Belt
intermembranous ossification
iso-agglutinative
itchier
Janghang
knock one's socks off
labor and capital resources
Lancereaux's law
land resourcess
left edges
locked-rotor characteristic
Lomphat
mount mckinleys
multifrequency tranmitter
Nice Guy Syndrome
nickel-and-dime
noise slicer
non operating state
ornithomimosaurs
passing underneath
penned in
plump sth up
primary air pollutant
protein replacement value
pulverized burner
put one's foot down on
quadratic conserving scheme
rank of commensurability
reflected voltage
republicates
road space
rotating-iron type overvoltage relay
saviour sibling
select (ed) element time
selfconfident
senso-
set of structural equations
Spatholirion
spinal canal myelography
square-waves
Staphylococcus pyogenes var. aureus
starting-time
steatornithidaes
stretchest
superpolyamide
tabular values of Bessel function
tare
token passing bus
tremor continuitalis
typha latifolias
Ugod
uncoronated
uneffigiated
vacuos
vv. gastric? breves
waskow
window-washing
Zelënodol'skiy Rayon
zirconium oxychloride