[医] 能量测定器

Although Henry Ford’s name is closely associated with the concept of mass production, he should receive equal credit for introducing labor practices as early as 1913 that would be considered advance

发表于:2018-12-01 / 阅读(158) / 评论(0) 分类 新东方现代文背诵篇章

Henry Ford Made the Automobile Industry an Important Part of the Nation's Economy Ford's Model T was the last of the early cars in the brave, new world of automobile development. ANNOUNCER: People in America, a program in Special English on the Voice

发表于:2019-01-02 / 阅读(136) / 评论(0) 分类 名人轶事

(MUSIC) That July was the hottest month ever in West Virginia. Many workers became tired and weak in the heat. John Henry was concerned his friends might lose their jobs. So, he picked up their hammers and began doing their work. One week, he did his

发表于:2019-01-11 / 阅读(76) / 评论(0) 分类 英语杂谈

(MUSIC) Today we tell a traditional American story called a tall tale. A tall tale is a story about a person who is larger than life. The descriptions in the story are exaggerated much greater than in real life. Long ago, the people who settled in un

发表于:2019-01-11 / 阅读(78) / 评论(0) 分类 英语杂谈

Craters here stretch as far as the eye can see. Although no human has ever set foot on Mercury, we have a pretty good idea of what you would see. If you are walking around on the surface of Mercury, it will look outwardly a lot like the moon. When yo

发表于:2019-02-05 / 阅读(62) / 评论(0) 分类 自然百科2012年

Many aspects, like its geological past, are a mystery. But some things we do know, this lonely planet has a strange sense of keeping time. Once you arrive, you have to reset your watch for a time zone like no other. It has such an unusual orbit and r

发表于:2019-02-05 / 阅读(56) / 评论(0) 分类 自然百科2012年

Mercury's core makes up about 60% of the planet by mass. It's about twice as big as earth. Why would it have such a huge core for such a small planet? Some people think there was a huge impact. Kind of stripped off a lot of the planet and now what we

发表于:2019-02-05 / 阅读(61) / 评论(0) 分类 自然百科2012年

After Messenger's 3 fly-bys, we've now mapped more than 90% of the planet. Taken from around 124 miles, these images are the clearest to date of Mercury. And it's not hard to spot a crater of epic proportions, the result of yet another Titanic collis

发表于:2019-02-05 / 阅读(73) / 评论(0) 分类 自然百科2012年

Reason/ you are going to go to Mercury as a travel destination would be this night sight view because it's going to be highly unique in the solar system. You have sodium thats atoms that are streaming off and giving enough to see yellow light, so you

发表于:2019-02-05 / 阅读(68) / 评论(0) 分类 自然百科2012年

Move away from the sun, and you'd expect things to cool down a little. Venus, the picture of coolness and calm, all pale but gully-cloaked by clouds but the planet of love is shrouded in mystery-----------draw beneath her treacherous veil at your own

发表于:2019-02-05 / 阅读(72) / 评论(0) 分类 自然百科2012年

You are there, on the most exciting, nerve-shattering journey in the history of man! Fifty years ago, it was easy for us to imagine Venus, closer to the Sun and wrapped in clouds, to be our scorched, tropical sister, swarming with life. There was thi

发表于:2019-02-05 / 阅读(79) / 评论(0) 分类 自然百科2012年

And thats the first time; it was return black-and-white panoramas of the Venus surface. These images were extremely important, because it was the first time, we ,human beings had a chance to see with our naked eyes completely different other world. W

发表于:2019-02-05 / 阅读(65) / 评论(0) 分类 自然百科2012年

In 1989, the space shuttle Atlantis launches the Magellan Probe toward / Venus. After a journey of 15 months, Magellan uses radar eyes to peer through the clouds from orbit. Watching form earth is Ellen Stofan. When you have that ability to pick up a

发表于:2019-02-05 / 阅读(71) / 评论(0) 分类 自然百科2012年

And its here in a freezer that Messenger will encounter another puzzle: can ice exist on a planet so close to the sun? It's only when the first radar observations to the surface of Mercury were obtained back in the 90s that it was discovered that Mer

发表于:2019-02-05 / 阅读(121) / 评论(0) 分类 自然百科2012年

On earth, Hawaii has some of the most spectacular shield volcanoes that are very similar with the volcanoes we see on Venus. The huge gently sloped volcanoes of Hawaii may be impressive. On Venus there are at least 150 ranging from this size to ten t

发表于:2019-02-15 / 阅读(106) / 评论(0) 分类 自然百科2012年

One of the really exciting and high-level scientific interests is whether Venus is geological active today, because there are reasons to think of the clouds on Venus only exist, because there is ongoing geological activity, so this is one of the bigg

发表于:2019-02-15 / 阅读(114) / 评论(0) 分类 自然百科2012年

Congratulations, you've arrived on the hottest surface in the solar system. Here, the official temperature is eight hundred seventy degrees Fahrenheit. Day or night, equator or pole, the searing heat never varies more than a few degrees, and thats wh

发表于:2019-02-15 / 阅读(130) / 评论(0) 分类 自然百科2012年

Despite all this scientific effort, we still don't know what triggered Venus' diabolical transformation. People debated over whether Venus ever had a moon. If Venus had a satellite at one point, could that satellite eventually impacted onto the surfa

发表于:2019-02-15 / 阅读(113) / 评论(0) 分类 自然百科2012年

Valor will be tackling the acid clouds of Venus with little help from flying pan technology. This being two weather balloons are we watched Venus in the mid-1980s. This with wagon machines there were two sep balloons that the Russians put them in the

发表于:2019-02-15 / 阅读(111) / 评论(0) 分类 自然百科2012年

You never guess the dangers on the ground from orbit, except maybe for this, massive, double-barreled storms hovering above the poles. Of this, what we called dipole features trailing around, we don't know what, really what they are, but the whole fe

发表于:2019-02-15 / 阅读(129) / 评论(0) 分类 自然百科2012年
学英语单词
.cu
alarm signal generator
alcohol policy
Aldoma
aluminium panel
angle of drain
approvers
athletic injury
aurous bromide
benzene monosulfonic acid
bilinogens
bottle service
budgetings
Caernarfon
carboxyarsenazo
centerbits
chainlets
chinese galls
collector drift region
concentration criterion
condensing capacity
conservation law of energy
cup-shot
dismountable auger conveyer
DMAB
dual processing
extraction residue
feel that
finish post (finish stands)
furley
gimlet-eyed
ground basic slag
guiding star
hiduminium
highway-railway grade crossing
humble plants
I asked him a lot of questions
image motion compensation
inconvertible note
indurated talc
interlobular emphysema
internal lamination
internal revenue services
intrageneration
kopsinine-N-oxide
layd
life-times
line of maximum inclinatin
liquid crystal high polymer
long-range meteorological forecast
metastatic anemia
micro-regional distribution of soils
midventricle
nanosecond pulser
necrotic angina
nonbioaccumulative
nontariff barriers
not to be dropped
nothing than
optimal sorting
oxyosome
p-carboxymethylphenyl-arsonic acid
pipe nuts
Polacrilex
ponged
Potentilla nervosa
princess-line
pyelometry
Qui-Lea
Ra'īs
radio enthusiasts club
radio frequency fault detection
radio movie
radio-chemistry
railway duty
receive us
relativism in aesthetics
Rizzo
roller tube expander
rospeys
royal letters patent
rustle up
rutinoside
saltworts
Samae San, Ko
sarracenia minors
saturated concentration
seseria formosana
Shibataea hispida
shoaling factor
silver birches
simple regression analysis method
social-welfare
sopoanga
Stallarholmen
test translator (testran)
unharnesses
valcourt
wall cooling
whata
work item
xiaoxuming decoction