轨道间距,轨距

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(117) / 评论(0) 分类 VOA2003(上)-科技导航

今天我们要讲的一个美国习惯用语是:To keep track。To keep track的意思是了解或关注某人的活动或是某件事的进展。 比如说,同学们从学校毕业后都各奔东西,大家往往就失去了联系。时间越长

发表于:2018-12-16 / 阅读(164) / 评论(0) 分类 美国习惯用语

[ar:] [al:] [by:] [00:01.83]Model Test Two [00:03.26]Section A [00:05.01]Directions: In this section, [00:08.95]you will hear 8 short conversations and 2 long conversations. [00:14.52]At the end of each conversation, [00:17.59]one or more questions w

发表于:2018-12-30 / 阅读(133) / 评论(0) 分类 英语四级听力练习集锦

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(129) / 评论(0) 分类 VOA2003(上)-科技导航

1. Due to the recent bombings in the Middle East, the U.S. Embassy has told Americans living in Lebanon that they need to have a single bag packed to be ready if they want to leave. A commercial ship

发表于:2019-01-08 / 阅读(175) / 评论(0) 分类 美联社新闻一分钟2006

This handout illustration image created by Australia's Electro Optic Systems (EOS) aerospace company shows a view of the Earth from geostationary height depicting swarms of space debris in Low Earth Orbit (LEO), 20 Jul 2010 Australian researchers say

发表于:2019-01-13 / 阅读(118) / 评论(0) 分类 VOA标准英语2010年(七)月

Every year satellites are damaged or destroyed by objects orbiting the Earth's atmosphere. An Australian company is now using the latest laser technology to track these objects in order to reduce cosmic damage. Li Dong has the details. Even in space,

发表于:2019-01-19 / 阅读(144) / 评论(0) 分类 世界各地新闻集锦

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(133) / 评论(0) 分类 2007年VOA常速英语(十月)

BEIJING, Sept. 6 (Xinhuanet) -- The amount of space junks floating in Earth's orbit has reached a critical level, warned scientists. The future space missions may become too dangerous to fly for a risk of colliding with space junks, said a report rel

发表于:2019-02-03 / 阅读(80) / 评论(0) 分类 英语新闻

MOSCOW, April 22 (Xinhua) -- The Russian Space Forces has re-established contact with a military satellite, Geo-IK-2, which went missing in February, local media reported Friday. According to a spokesman from the Defense Ministry(国防部) , Interfa

发表于:2019-02-08 / 阅读(125) / 评论(0) 分类 英语新闻

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(182) / 评论(0) 分类 阅读空间

Crews at the Kennedy Space Center in Florida are preparing the Space Shuttle Discovery for its final launch, scheduled for Thursday. Among the things it will carry to the International Space Station will be a humanlike robot designed to help astronau

发表于:2019-02-08 / 阅读(160) / 评论(0) 分类 英语新闻

BEIJING, June 16 (Xinhua) -- The successful launch of China's fourth manned spaceship paves the way for a future space station, which might subsequently benefits the world in space exploration. Shenzhou-9 spacecraft, carrying two males and one female

发表于:2019-02-08 / 阅读(100) / 评论(0) 分类 英语新闻

BEIJING, Sept. 21 (Xinhuanet) -- China will launch an unmanned module next week, paving the way for a planned space station, a spokesman for the space program said on Tuesday. Tiangong-1, or Heavenly Palace 1, will blast off from Jiuquan Satellite La

发表于:2019-02-08 / 阅读(106) / 评论(0) 分类 英语新闻

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(118) / 评论(0) 分类 英语新闻

This Friday, the U.S. space shuttle Endeavor is scheduled to lift off on its last voyage(航行) to the orbiting International Space Station. And on June 28, barring any last minute complications, Alantis will become the last space shuttle ever t

发表于:2019-02-18 / 阅读(112) / 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(137) / 评论(0) 分类 英语新闻

BEIJING, Nov. 13 (Xinhua) -- China has established an operation committee for management of the country's first space lab module, Tiangong-1, during its two-year orbit of earth. The committee will deal with operations planning, technical appraisal an

发表于:2019-02-18 / 阅读(126) / 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(113) / 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(131) / 评论(0) 分类 英语新闻
学英语单词
advertiser's brand
Ashokan Reservoir
Benhil
blanket agreement
blood-brains
cask fermentation
cents percent
chemical atomic weight scale
chromel-alumel couple
cinnamomum hupehanum gamble
cocker
concrete method
criminalnesses
CRT mount
decorporation
dialed line
dispensability
double sided linear induction motor
dynamic pile driving formula
dyspepsias
e-edition
economic poison
educationary
end of file card
everes lacturnus rileyi
FALL-39
feard
fianl-value theorem
file management loading facility
foreign exchange operation
fresh brine crystallization
golden warblers
grouse
haemosept
hard crown glass
head of pancreas
heartsearchings
HHFA
hog knife
hydrogenization
ideal DC machine
indirect glare
Indolor
Indramayu
invests in
jumping hours jumper maintaining plate
kauders
keyed clamp circuit
Koloni
Law at the Place of Adjustment
lm distance
look out on
lv.
marine organisms
microsteradians
midweights
minor adjustment
move on to
napropamid
neurotoxicant
OB (oil burner)
oleandrigenin-gentiobiosyl-digitaloside
opto-electronic coupler
padelion
Pedersen process
Pedicularis lyrata
petrographic investigation
Pleurospermum crassicaule
poor beggar
Porthesia similis
positive emission
prediction of pest attack
prefinalist
rachioparalysis
reboiled absorber
rhytina
ring laser axis
rotation beacon
router information unit
secondary flow
seedlet
sinter apron
slopewise
smoke the pipe of peace
snatcht
splutters
sterling eligible bankers acceptance
supersonic climb speed
Swertia emeiensis
tactical airfield fuel dispensing system
tandem missile
tear-jerk
Tecticite
ticket reservation
tree tomatoes
ultimate control
under-boy
vessels of wrath
violendy
vitiously
Wellingtonians
wrest-pin