[数] 可分希尔伯特空间

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(189) / 评论(0) 分类 VOA2003(上)-科技导航

Welcome back to Everyday Grammar from VOA Learning English. Today we return to a very common verb form in English phrasal verbs. You will find one phrasal verb in every 192 words of written English. They will make your English sound more natural once

发表于:2018-12-07 / 阅读(147) / 评论(0) 分类 2017年VOA慢速英语(十二)月

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(277) / 评论(0) 分类 VOA2003(上)-科技导航

In a recent program, we told you about phrasal verbs related to food. The program centered on eating food: what, how much and when. You will remember that a phrasal verb is a verb made of two or more words: a verb plus a preposition or adverb, or bot

发表于:2019-01-03 / 阅读(182) / 评论(0) 分类 2018年VOA慢速英语(六)月

Have you ever been to an airport or train station where the official language was English? What was your experience easy, difficult or in between? Today, we will explore some common phrasal verbs that can be useful as you travel to or through English

发表于:2019-01-03 / 阅读(169) / 评论(0) 分类 2018年VOA慢速英语(十二)月

Everyday Grammar: Our Top 10 Separable Phrasal Verbs 英语日常语法:十大可分动词 Welcome back to Everyday Grammar from VOA Learning English. Today we return to a very common verb form in English phrasal verbs. You will find one phrasal verb

发表于:2019-01-12 / 阅读(200) / 评论(0) 分类 2015年VOA慢速英语(十一)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(179) / 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(131) / 评论(0) 分类 英语新闻

BEIJING, Sept. 2 (Xinhuanet) -- The amount of space junk orbiting the Earth could cause fatal leaks in spaceships or destroy valuable satellites, according to a report released by the U.S. National Research Council. Computer models have shown that th

发表于:2019-02-05 / 阅读(165) / 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(180) / 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(236) / 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(252) / 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(157) / 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(153) / 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(184) / 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(166) / 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(273) / 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(175) / 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(169) / 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(191) / 评论(0) 分类 英语新闻
学英语单词
accidental murmur
aliphatic nitrite
alms tray
angustirostrate
antiglobalist
automatic synchronizing indicator
b-boying
baccio
backward learning algorithm
benzalcoumaranon
bicylinders
bird i. (aves i.)
bubble cap plate distillation tower
cephalophus jentinki
Cladonia
class of options
cloud nephoscope
conjugate ranking
constant of refraction
controlled discharge
couple in
develop strategies
diffraction spacing
double nest plansifter
entrenching
gauge transformation of the second kind
General Custer
goal-directedness
haemorrhagic oedematous colon
hardwood cutting methods
high fermentation
Irish Sea
iso-agnolol
isobutyraldehyde semicarbazone
Kalat Division
keep open doors
kick cause a rumpus
lamp voltage of an arc discharge lamp
lay up trouble for yourself
leaf whorl
liquid column gage
logical construction of software (lcs)
lymphomatoses
mail reimbursement
malaspina
mercuric bromide
methanolate
Nemegtichara
nerve funiculus
nissalke
nonvoice
oppugn
opsonophagocytotic
optical analytical instrument
osmotherapy
our hands are tied
oval rivet
per-hour
persons of effective employment permit
pirkle
Pkulagasemieg Pt.
plumieric acid
pommeled
prelymphocyte
probativeness
promotees
psychiatric criminology
pulse delay nomogram
rawah
rCD4
reduced steam
residual velocity loss
revolving chain locker
right triangular ligament
rod rolling
roll top desk
running the gauntlet
schumann-heinks
security application
share of income
shealey
shipyard portal crane
shunt phaseadvancer
single-sided linear induction motor
single-turn potentiometer
sorbitan monostearate
source of freight
spectral scan
srsisgshsts-s
they crawl
Thüringen, Land
to the test
tobaccer
transition profile of invasion
traveling lighting gallery
type-bar
underquote
VALENTINO
vesiculation
vomiting ascaris
well-springs
willya