[测 地物] 地球液核动力效应

SCIENCE IN THE NEWS - All About Fireflies and Possible Liquid Water on Mars CHRISTOPHER CRUISE: This is SCIENCE IN THE NEWS, in VOA Special English. Im Christopher Cruise. BOB DOUGHTY: And Im Bob Doughty. Today, we tell about evidence of liquid water

发表于:2018-12-07 / 阅读(116) / 评论(0) 分类 2011年VOA慢速英语(八)月

Idiom: nick of time 关键时刻出现,千钧一发,恰好时刻 Hit the book: Volcano Volcanologist Erupt Core Liquid Mantle Magma Crust Plate

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Mantle 地幔 We are living on the surface of the Earth. 我们生活在地球表面。 So, what is inside the Earth? 那么,地球内部是什么? There is a mantle under the surface of the Earth. 地球表面以下是地幔。 The mantle takes

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Scientists Work to Understand Earth's Magnetic Field 科学家们努力了解地球磁场 Most of us rarely think about the earth's magnetic field. We might know that it helps guide birds as they travel and keeps our compasses pointing north. But, th

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The loss of the magnetic field has a catastrophic impact on the planet's evolution. Mars becomes the red planet we see today. If earths magnetic protection continues to fade, would it suffer the same fate? If it vanishes completely, the planet might

发表于:2019-01-22 / 阅读(108) / 评论(0) 分类 自然百科2011年

Easily confused by this idea, there has a big thawed iron inner core, so that I think it's just the bar magnet, just permanent magnet frozen in nad, and that's where causes all the magnetic field. But it's too hot inside the Earth, that can't happen

发表于:2019-01-22 / 阅读(96) / 评论(0) 分类 自然百科2011年

As the vast sphere reaches / maximum speed, something incredible happens. Huge lines of magnetism arc in and out of the model core. Well, we can't see the magnetic field coming out of the experiment, we can measure them, we can put many different mag

发表于:2019-01-22 / 阅读(97) / 评论(0) 分类 自然百科2011年

Larry Newitt from the Geological Survey of Canada charts the movement of the magnetic North Pole as it wanders the icy reaches of northern Canada. To determine where the magnetic pole / is, we can't rely on one single observation. What I try to do is

发表于:2019-01-22 / 阅读(102) / 评论(0) 分类 自然百科2011年

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学英语单词
-athlon
.crp
advanced menstruation due to blood-heat
alkyl phosphates
almandine-amphibolite facies
Amplexiphyllum
amplifier transformer
anilo fibre
Asio otus
aylmer l.
battery coking
be borne in upon
bimorph cll
Brahmana,brahmana
brushwork
call-ups
cancio
catherine de medices
central-western
chelidon
conodonts
cyanohydrin synthesis
dalbavancin
deposital metal
diffusing electric field
dimocarpuss
dynamic efficiency
ecosystem modeling
Edgemoor
electronic displacement polarization
elevated train
epicuruss
exotoxic tyberculin
first-in, first-out method
floating habit
form of environmental substance
forward decay
furnished with
gas discharge switch
going out of business
Hakka
half-milano rib
Hambeg
harringtonine(Har)
herbacetin
hibernacular
initial placement condition
inside-right
instrumental pelvimetry
La Encrucijada
lampooning
leak can
Mallory-Weiss tear
miep
mooihoekite
National Bureau of Oceanography
ncp generation
negative heterosis
non-parallel equal crank linkage normal
now matter what
organoantimony
outside extension
oxalic acid fermentation
paragonite schist
Pars transversa
penuries
philippopolis (plovdiv)
photojunction battery
physical record deletion
picture frame
picture-strips
pineal calcification
plastic paint
platyhieric
point-and cup suspension
pre-existimation
put one's oar into
pyophylactic membranes
Rch.
reconnaissance missile
reoccluding
rotary thermometer
saturable-core magnetometer
semantic analysis
Sofri
special proviso
split camera
standstill reactance
symbolic assembly
Tauche
total revenue curve
Treviglio
upper semicontinuous equivalence
vacuum quantorecorder
vertical exaggeration
Vynnyky
water treatment plant
window software
yallar dog
Yuntaiguan Formation