刚性航天器动力学

Aqua Spacecraft 水资源监测太空船 NASA's latest and most ambitious weather satellite is measuring Earth's water cycle. Learn more about the Aqua satellite -- today on Earth and Sky. DB: I'm Deborah Byrd. JB: And I'm Joel Block for Earth and Sky. This

发表于:2018-12-07 / 阅读(173) / 评论(0) 分类 (科普英语)Earth and Sky

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(161) / 评论(0) 分类 VOA2003(上)-科技先知

[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(178) / 评论(0) 分类 美国英语听力80篇

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(230) / 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(200) / 评论(0) 分类 VOA2004(下)--健康科技

The United States space agency will launch a spacecraft to explore the sun more closely than ever before on Saturday. NASAs Parker Solar Probe will fly through the hot solar atmosphere and come within just 6 million kilometers of the suns surface. Th

发表于:2019-01-03 / 阅读(165) / 评论(0) 分类 2018年VOA慢速英语(八)月

So one thing that I do agree with, and I think most experts would, is that the brain does have these dynamics. 其中一点我个人是同意的,我相信绝大多数专家也同意,那就是脑部确实有这样的动态。 It does lag behind th

发表于:2019-01-03 / 阅读(198) / 评论(0) 分类 TED演讲科技篇

EXPLORATIONS - As Gemini Spacecraft Join in Space, US Moves One Step Closer to the Moon DOUG JOHNSON: EXPLORATIONS -- a program in Special English by the Voice of America. (MUSIC) Today, Shirley Griffith and Tony Riggs complete a report about America

发表于:2019-01-12 / 阅读(161) / 评论(0) 分类 2012年VOA慢速英语(八)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(164) / 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(181) / 评论(0) 分类 2017CRI中国国际广播电台

China's first cargo spacecraft Tianzhou-1 successfully docked with the Tiangong-2 space lab for the first time on Saturday. China has taken another step toward its goal of putting a space station into orbit around 2022, by sending its first cargo spa

发表于:2019-01-19 / 阅读(186) / 评论(0) 分类 2017CRI中国国际广播电台

China successfully launches Shenzhou-11 manned spacecraft As the sun rose over Northwest China's Gobi dessert, Shenzhou 11 spacecraft blasted off into space, propelled by its Long March 2F carrier rocket at 7:30 am Monday morning. After its separatio

发表于:2019-01-19 / 阅读(183) / 评论(0) 分类 2016CRI中国国际广播电台

By David McAlary Washington 01 March 2007 The U.S. space agency NASA says two new spacecraft orbiting Earth are giving scientists an unprecedented ability to track storms on the sun all the way to Earth. As VOA's David McAlary reports from Washington

发表于:2019-01-30 / 阅读(194) / 评论(0) 分类 2007年VOA标准英语(三月)

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(186) / 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(167) / 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(163) / 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(162) / 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(170) / 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(184) / 评论(0) 分类 英语新闻

31. Although apparently rigid, bones exhibit a degree of elasticity that enables the skeleton to withstand considerable impact. 31. 骨头看起来是脆硬的,但它也有一定的弹性,使得骨骼

发表于:2019-03-13 / 阅读(407) / 评论(0) 分类 实用英语
学英语单词
4-methylcholest-8-enol
additive genetic effect
alpha-contamination
assmen
away goals rule
backbone ranges
band suppression filter
bit error rate sequencing counter
brachystaphyline
brake action
calley-stone
cancel slow down and shutdown
cement-water ratio
chain code tracing
change at
closing screw
coagmenting
cognitive style
coordination gap
Crataegus wilsonii
creep mechanism
disomus
dragon-blood
drowe
ether soluble substance
Flaherty, Robert Joseph
free-fed
free-flap
funnel cloud (fc)
genus Lepus
get a result
goseck
half-wing
hida ice age
high-vacuum insulation
Hobann magnetron
humblesse
iCloud
independent democrat
infratrochlear nerve
intrinsic junction loss
jug
kala-azar
kurt-
Largophren
liquid hydrogen pump
Ludendorff, Erich Friedrich Wilhelm von
male sex
mini-cabs
modulation depth
mortuorum
neoplasm nephritis
neottia suzukii
numeric perforator
nycticorax caledonicus manillensis
Olosed
Otago Statistical Area
overmanipulating
packed reaction tower
Paparatu
positive line
preseismic
presumptious
private sector of economics
probe contact
pseudotyphoid
Rae R.
raise a row
rathausplatz
rectories
remedium cardinale
retractor support
ruetes
ruthenacycle
semihaptene
Senna occidentalis
shirt of Nessus
silver l.
social superstructure
special hardening
steady-state theory of the universe
supplicatingly
supratriangular crossveins
swing account
tapping slag
thalassaemias
there is no escaping
thiostrepton(thio)
thirteenness
tinned goodss
tolazoline
turning mark
unclassified affidavit
unconceivably
underlapped valve
vegetable earth
walchia chinensis
wildspring
wooden plough
xeric succession
Yesiplevo
zygapophysis (or articular process)