轨域简併

Questions for NASA after Rocket Explosion 火箭爆炸后美国国家航空航天局面临的问题 Unmanned Antares rocket is seen exploding seconds after lift off from a commercial launch pad in this still image from NASA video at Wallops Island, V

发表于:2018-12-08 / 阅读(65) / 评论(0) 分类 2014年VOA慢速英语(十)月

Virgin Spaceship Crash Raises Questions 维珍宇宙飞船失事引发诸多问题 WASHINGTON Plans to fly tourists to the edge of space could be delayed after Friday's crash of Virgin Galactic's SpaceShipTwo during a manned test flight. It is the se

发表于:2018-12-16 / 阅读(43) / 评论(0) 分类 VOA标准英语2014年(十一月)

美国火箭爆炸,私营航天产业的挫折 Wednesday's successful launch of a Russian space vehicle taking supplies to the International Space Station was in sharp contrast to the explosion of a private U.S. cargo space craft shortly after it's

发表于:2018-12-19 / 阅读(62) / 评论(0) 分类 VOA双语新闻 2014年10月

Galactic Rotation 银河系自转 Astronomers calculate there is ten times more matter in our Milky Way galaxy than we can actually see. Discover how the orbital motions of stars in the galaxy reveal dark matter -- on today's Earth and Sky. JB: I'm Joel

发表于:2019-01-02 / 阅读(185) / 评论(0) 分类 (科普英语)Earth and Sky

美国私企飞船与空间站对接 WASHINGTON, Jan. 12 (Xinhua) -- A commercial spacecraft, operated by U.S. space company Orbital Sciences Corp., docked with the International Space Station (ISS) on Sunday morning on its first official cargo resup

发表于:2019-01-09 / 阅读(91) / 评论(0) 分类 英语新闻

SCIENCE IN THE NEWS - Space Junk Threatens Earths Orbital Environment JIM TEDDER: This is SCIENCE IN THE NEWS, in VOA Special English. Im Jim Tedder. KATHERINE COLE: And Im Katherine Cole. Today, we tell about an ever increasing number of objects in

发表于:2019-01-12 / 阅读(111) / 评论(0) 分类 2011年VOA慢速英语(九)月

Global Warming Could Delay Next Ice Age The next ice age could be delayed by tens of thousands of years due to excessive amounts of heat-trapping carbon dioxide in the atmosphere, which disrupts Earths natural cycle of warming and cooling, according

发表于:2019-01-13 / 阅读(84) / 评论(0) 分类 VOA标准英语2012年(一月)

With Failed Launch, US Private Space Industry Suffers Setback 火箭发射失败 美国私人航天受挫 Wednesday's successful launch of a Russian space vehicle taking supplies to the International Space Station was in sharp contrast to the explosi

发表于:2019-01-14 / 阅读(63) / 评论(0) 分类 VOA标准英语2014年(十月)

The amount of debris orbiting the Earth has reached a tipping point for collisions, which would in turn generate more of the debris that threatens astronauts and satellites, according to a US study released on Thursday。 NASA needs a new strategic p

发表于:2019-01-30 / 阅读(74) / 评论(0) 分类 实用英语

By David McAlary Washington 12 July 2006 Astronaut Mike Fossum (on arm)installs the International Space Station's railcar-like mobile transporter U.S. space shuttle astronauts are on their third spacewalk since Saturday, this time to practice method

发表于:2019-02-03 / 阅读(179) / 评论(0) 分类 2006年VOA标准英语(七月)
学英语单词
age pension
air ductwork
arguest
Ascheberg
ayfivine
B.A.R.
besifoxacin
Bishrī, Jab.
candy canes
cellular list
clowre
communication countermeasure
conservative sursery
covered structure
David Hilbert
dinise
discount coefficient
disproved
dlsi
Dortmunder beer
double braided nylon hawser
durbon
dustrag
ecclesiastical benefices
ellipsed
error robustness
essentialness
feed velocity
fernleaf
flabella
flat squared picture tube
flotows
flushing test
foundation leg
general reaction
gormandise
grassfed
have an edge
hotrolling
Háifoss
ice-safes
interactive video
jestour
Jubbada Hoose, Gobolka
kass
labor pools
lacertus of lateral rectus
linear cutting
Liquefied Ethylene Carriers
loss from decline in market value of securities
luggage trunk
measure of scale
mesothoraces
metominostrobin
mineral sand
Motherboard drivers
music-store
my word upon it
Negative duration
Nordenskov
peronospora sepium g(a)umann
personal biological model
philosepedon pudica
phrenologers
platanthera chloranthas
polymaths
practicableness
print station
projected variables
qui vive?
ramus caroticotympanicus
reference instruction
released neutron
resistance thermometer clement
rig test
Scirpus ternatanus
scouring stone
semiconductor optical amplifier (soa) modeling
semilattice
sodium laurate
sodium ruthenate
solution of inequality
speckfall
spotty market
Stamicarbon caprolactam process
structured tutoring
suboffice
TAKANORI
task logical address space
temperature-entropy diagram
that many
thunderless
tippexes
tonguetied
trade combination
turbo-charged
unexhibitable
unpossessive
unstable solution
vlogger
w band