【电磁学】铁磁限制器

The theory of plate tectonics describes the motions of the lithosphere, the comparatively rigid outer layer of the Earth that includes all the crust and part of the underlying mantle. The lithosphere(

发表于:2018-12-01 / 阅读(305) / 评论(0) 分类 新东方背诵文选

The theory of plate tectonics describes the motions of the lithosphere, the comparatively rigid outer layer of the Earth that includes all the crust and part of the underlying mantle. The lithosphere(n.[地]岩石圈)is divided into a few dozen plates o

发表于:2018-12-08 / 阅读(538) / 评论(0) 分类 新概念优美背诵短文50篇

The theory of plate tectonics describes the motions of the lithosphere, the comparatively rigid outer layer of the Earth that includes all the crust and part of the underlying mantle. The lithosphere(n.[ 地 ] 岩石圈 )is divided into a few dozen p

发表于:2018-12-30 / 阅读(219) / 评论(0) 分类 考研背诵50篇

World's First Nuclear Fusion Reactor 50 Percent Complete At the Geneva Superpower Summit in November 1985, American President Ronald Reagan met with the Soviet Union's General Secretary Mikhail Gorbachev. 在1985年11月的日内瓦超级大国首脑会

发表于:2019-01-03 / 阅读(164) / 评论(0) 分类 2018年VOA慢速英语(一)月

Life feeling a bit ordinary? Travel choices a bit tame? Head beyond the asteroid belt for an out-of-this-world experience. Welcome to Jupiter, home of high-adrenaline adventure. Plunge into its mysterious depth. You drop through the clouds, it would

发表于:2019-01-08 / 阅读(144) / 评论(0) 分类 自然百科2012年

Jupiter is a planet that knows how to exert its influence on the solar system, and how to impress even the season traveler. You can fly around the earth in a jumbo jet in less than two days. Try this on Jumbo Jupiter and youll be in the air for three

发表于:2019-01-08 / 阅读(153) / 评论(0) 分类 自然百科2012年

When the space hardened Voyagers I and II flew past in 1979 on their way to the outer solar system, Jupiters great mysteries only deepened. How were these powerful magnetic storms generated inside a giant ball of gas? Why was one moon boiling with vo

发表于:2019-01-08 / 阅读(152) / 评论(0) 分类 自然百科2012年

Picture a suicide dive into the mysterious depth? Relax, Galileo's already done it for you. We separated the probe from the Galileo mother ship. We were flying in toward Jupiter, basically a ballistic bullet. The Galileo probe went in at an unbelieva

发表于:2019-01-08 / 阅读(149) / 评论(0) 分类 自然百科2012年

This could be the most terrifying sight in the solar system: clear skies above a bottomless pit, an infernal drop into the depth of Jupiters endless sky. You may have raindrops evaporating into the hot interiors of Jupiter, but there is no ocean down

发表于:2019-01-08 / 阅读(157) / 评论(0) 分类 自然百科2012年

In a landmark decision, a court in Australia has given a paralyzed man the right to die by allowing him to refuse food and water. Christian Rossiter has begged to be allowed to die after accidents left him a quadriplegic. Christian Rossiter has said

发表于:2019-01-14 / 阅读(149) / 评论(0) 分类 VOA标准英语2009年(八月)

A New Course At Arkansas Colleges: How To Not Get Pregnant KELLY MCEVERS, HOST: Most teen births in this country are actually to young adults - women who are 18 and 19-years-old. The highest rate is in Arkansas. It's a Bible Belt state that pushes ab

发表于:2019-01-17 / 阅读(176) / 评论(0) 分类 2016年NPR美国国家公共电台8月

Every time we send aspacecraft to answer questions, we end up asking more. Clearly, a return to Jupiter isn't to stars. (Here we go.) In 2003, with fuel andpower running low, Galileo's 14-year odyssey was brought to an end,deliberately to ensure Euro

发表于:2019-01-22 / 阅读(135) / 评论(0) 分类 自然百科2012年

If gravity measurement showed no solid core, then Jupiter formed early like the Sun, with a core then its birth came later when solid materials were created. By measuring water content, Juno should also reveal how hot the solar system was, when Jupit

发表于:2019-01-22 / 阅读(173) / 评论(0) 分类 自然百科2012年

Take a night flight, like Galileos, over the surface of Io and the view down to the churning lava lakes would be unforgettable. Imagine then a visit to the surface. The landscape might look quite a bit like a red and yellow sulfur-painted version of

发表于:2019-01-22 / 阅读(142) / 评论(0) 分类 自然百科2012年

Gas escaping into space from the plumes is energized by Jupiters magnetosphere, creating an intense band of ionizing radiation that bombards a surface already soaked in emissions. If you went out relatively unprotected with, like a normal spacesuit f

发表于:2019-01-22 / 阅读(151) / 评论(0) 分类 自然百科2012年

I would like to visit Jupiter one day,I think it would be a good place to take a vacation, but not on July of 1994. That would have been a terrible time. In July, 1994, the fragmented comet Shoemaker-Levy 9 that David helped / discover began its fa

发表于:2019-01-22 / 阅读(139) / 评论(0) 分类 自然百科2012年

When Galileo took a closer look at Europa, the picture changed. Europa is a fascinating object. If you imagine descending onto a world that looks every place like the frozen ways of the Arctic and the Antarctic, youll get a pretty good impression of

发表于:2019-01-22 / 阅读(150) / 评论(0) 分类 自然百科2012年

the processes that hit Io or operating on Europa as well, but on a less dramatic scale. and so was this constant change(s) in Jupiter's gravitational pull that is distorting the surface and that's generating heat in the interior. This is a clue to Eu

发表于:2019-01-22 / 阅读(146) / 评论(0) 分类 自然百科2012年

By Phil Mercer Sydney 03 December 2007 Kevin Rudd has been sworn in as Australia's new Prime Minister with an agenda of action on climate change and the repeal of unpopular industrial laws. The new government has signed the Kyoto Protocol on climate

发表于:2019-01-25 / 阅读(162) / 评论(0) 分类 VOA常速英语2007年(十二月)

Imagine having a tattoo that vibrates every time you receive an SMS or another mobile phone alert. It might sound like something out of a sci-fi film, but Nokia think the idea has a nice ring to it. The Finnish company has filed a patent for the idea

发表于:2019-02-21 / 阅读(161) / 评论(0) 分类 英语听力精选进阶版
学英语单词
achlya spinosa
ACU (arithmetic and control unit)
African elephants
Alcaic verse
Alloresponses
angle of attack at minimum drag
anguicular
anticelebrity
antilymphocyte serum
auxiliary accelerating pump
beach facies
blogject
bloodroots
cafte-au-lait spot
capacitive diaphragm
caplows
chessler
chukaku-has
ciclonicate
circularly symmetric function
colossal tanker
compinge
cupid's dart
deltahedra
derbies
dibromoterfluorene
ditetragonal equatorial class
donations and contributions
Elatostema medogense
elliptical semiflexible waveguide
even and morn
evramicina
five star
fleet satellite communication system (fleetsatcom)
folded laser
forceps biopsy
frontalis muscle flap suspension operation
hackled jute yarn
hay tank
hazardous nature
Huasaga, R.
implied jurisdiction
incage
induced phagorytosis
Indungo
inner sheath of optic nerve
input module
Institution of Electronics
intranasal antrcstomy
introspecting
ipomoea congesta r. br
licitnesses
long mt.
low regulation
manganoso-manganic
Marakei Atoll
meliosma fischeriana rehd. et wils.
middle ear effusion
Mosers River
motor camp
Neuburg am Inn
nhs-lc-biotin
nonforceful
nonpractising
overwriter
Panicum paludosum
panjandrum
parasitic ferromagnetism
peahens
ph(a)eophytin
probability current
protozoas
pseudo-graph
quartile division
raise your game
retyre
reverse flushing tool
richard jordan gatlings
Rudolf Christian Karl Diesel
school work
secondary fold
side-payments
simple grain cleaner
sintering character
skegg
split compressor engine
sprinklers
squirrelfishes
styomastoid foramen
three-stage blower
thrombin topical
top-two
tranquilizing agent,tranquilizing drug
trimming angle
uk travel
us doc
vagilities
Valeriana latifolia
vinyl compound
volt ga(u)ge
you'da