拟桶型空间

Seeking Our Outer Space Home One hundred years ago, walking on the moon was only a dream -- it is almost impossible to imagine what might happen in the next 1)millennium. We know that one day we will

发表于:2018-11-28 / 阅读(200) / 评论(0) 分类 疯狂英语2004年

by Jason Marshall Weve now talked about three methods for calculating average values: the mean, median, and mode (affectionately known as the three Ms). So, are we done? Is that everything we could ever want to know about interpreting average values?

发表于:2018-12-07 / 阅读(145) / 评论(0) 分类 数学英语

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

EXPLORATIONS - The Year in Space By Paul Thompson Broadcast: Wednesday, December 29, 2004 VOICE ONE: I'm Faith Lapidus. VOICE TWO: And I'm Steve Ember with the VOA Special English program EXPLORATIONS

发表于:2018-12-15 / 阅读(105) / 评论(0) 分类 Explorations

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

This is Scientific American's 60-Second Science. I'm Steve Mirsky. Got a minute? The 2011 Nobel Prize in chemistry goes to Daniel Schechtman of the TechnionIsrael Institute of Technology in Haifa. Schechtman discovered what are called quasicrystals.

发表于:2019-01-08 / 阅读(202) / 评论(0) 分类 Scientific American(十)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(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

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(112) / 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(158) / 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(111) / 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(130) / 评论(0) 分类 英语新闻
学英语单词
Acetomenadihone
adsorbency
aphaenogaster lepida
Argyll Robertson pupil
arteriae conjunctivales posteriores
benzazepine
bisse
business house
byte-addressable
central depository system
centrifugal disk atomizer
consolidated quick direct shear test
conventional software
counter clockwise angle
development indicators
dihydrostreptomyin pantothenate
dimensional metrology
doronenine
earphoned
einsteins
electro-plate
Embrun
epitonium harpago
fabius maximus
Fagopyrum esculentum Moench
ferro-silico-manganese
fibulous
Fluor-arfvedsonite
friendly society act
genus drymarchons
gnawa
go out of fashion
greenmailers
HARMLESS ERROR DOCTRINE
Hazel Dell
high frequency and low noise transistor
hollow tubing conductor
human-factors engineer
hvars
ignition current
initial review
ionization chamber exposure ratemeter
Isothiuronium
Jarmundi
Kapchorwa
map board
megatherian mammal
million dollar question
moey
monopoly in foreign trade
N-Octylbicycloheptene
nigriscutis
Nitrojection
nuclepore filter
Nurek Dam
one-host tick
open-circuit parameter
perigynandra
peroxin
Phyllanthus bodinieri
placeth
Povidine-K
practice of everyday life
process conditions
purely automatic
putzer
qual.
radio frequency interference(rfi)
Rankine efficiency
recognizable
resolve that
Rhododendron yushuense
sciatics
sepia
serfhood
shawnee salads
sideman
soap-alkali(scouring)process
social well - being
somersaultings
sow in
special monetary arrangement
stage-gate
staphylolysin
stockpots
streeking
suspended velocity
tac-point
taquito
tectonic breccia
telescopic manipulator
the biltmore
thoracic actinomycoses
Thousand-Year Reich
throat lash
Times share index
upper valve seat
vibratory testing machine
visual anthropology
vivek
whipstitch
woodflour