固定球面射电望远镜

Text Can you prove that the earth is round? Go ahead and try! Will you rely on your senses or will you have to draw on the opinions of experts? WHY DO WE BELIEVE THAT THE EARTH IS ROUND? George Orwell Somewhere or other — I think it is in the prefa

发表于:2018-12-04 / 阅读(387) / 评论(0) 分类 大学英语精读第四册

Hurricane Maria Hit Puerto Ricos Giant Telescope Hurricane Maria severely damaged Puerto Ricos electricity and communications systems. Millions of people there are without power, water or food. 飓风玛利亚严重破坏了波多黎各的电力和通信

发表于:2018-12-08 / 阅读(263) / 评论(0) 分类 2017年VOA慢速英语(十)月

Do you know so many of you will climb into your cars today perhaps to shuffle your children to soccer, to football, make their (refer to the cars) run to the grocery store. But do you also know what's

发表于:2018-12-11 / 阅读(212) / 评论(0) 分类 万花筒2006年

Is anyone out there? For over 40 years scientists have been searching for extraterrestrial intelligence, but theyve found nothing. Now the new Allen Telescope Array, a string of 350 radio telescopes, is being built 300 miles north of San Francisco a

发表于:2018-12-30 / 阅读(221) / 评论(0) 分类 国家地理2008年

Is anyone out there? For over 40 years scientists have been searching for extraterrestrial intelligence, but theyve found nothing. Now the new Allen Telescope Array, a string of 350 radio telescopes, is being built 300 miles north of San Francisco a

发表于:2018-12-30 / 阅读(203) / 评论(0) 分类 国家地理2008年

An unusual Boeing 747 arrived in Christchurch at the weekend from California. It has a telescope on board. The plane will spend the next three weeks flying the skies of the South Island to study the Milky Way. It is called SOFIA, Stratospheric Observ

发表于:2018-12-31 / 阅读(223) / 评论(0) 分类 新西兰英语

Three radio stations in the United States mainly broadcast one thing: the official time. The three are radio stations WWV and WWVB, in the state of Colorado, and WWVH, on the island of Kauai in Hawaii. They send out signals that are used by millions

发表于:2019-01-03 / 阅读(209) / 评论(0) 分类 2018年VOA慢速英语(九)月

Johann-Dietrich Woerner, who became the director general of the European Space Agency last July, believes that human beings will eventually live and work on the Moon. His vision of a lunar settlement includes various space-faring nations, all living

发表于:2019-01-07 / 阅读(191) / 评论(0) 分类 英语新闻

Declassify US government documents and witness testimony from former or retired US military personnel confirm beyong any doubt the reality of ongoing UFO incursions at nuclear weapon sites. When I say UFO, the witnesses have described this craft as d

发表于:2019-01-08 / 阅读(250) / 评论(0) 分类 CNN2010年(十)月

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. When we think about how to represent sound visually, most of us probably picture those volume-dependent sine waves. But thats not how John Stuart Reid

发表于:2019-01-08 / 阅读(236) / 评论(0) 分类 Scientific American(一)月

If youve ever had a garden or grown flowers in a window box, youve probably heard that you shouldnt water your plants at high noon because their leaves might scorch. Now a study in a journal called New Phytologist confirms that water droplets can foc

发表于:2019-01-08 / 阅读(263) / 评论(0) 分类 Scientific American(一)月

In Southwest China, A 'Very Large Eyeball' Peers Into Deep Space play pause stop mute unmute max volume 00:0004:17repeat repeat off Update Required To play the media you will need to either update your browser to a recent version or update your Flash

发表于:2019-01-16 / 阅读(197) / 评论(0) 分类 2016年NPR美国国家公共电台11月

You see the larger wing area here. 你们可以看到这儿有面积更大的翅膀。 Also, clearly, it was such a powerful thing,we wanted to try and bring other people but we couldn't figure out how to do it. 而且,这还是件很有影响力的事

发表于:2019-01-18 / 阅读(210) / 评论(0) 分类 TED演讲娱乐篇

The Five-hundred-meter wide Aperture Spherical Telescope, or FAST, is now operational in the mountains of Guizhou in southwest China. FAST has been designed to help Chinese researchers better understand our universe, as well as probe the cosmos for e

发表于:2019-01-19 / 阅读(239) / 评论(0) 分类 2016CRI中国国际广播电台

Ok, imagine you are at the beach, in order to figure out if there are fish in the ocean, you dip an empty glass into the water and look inside. No fish in the glass? Well, there must be no fish in the ocean. Not too logical, is it? But that's exactly

发表于:2019-01-22 / 阅读(226) / 评论(0) 分类 自然百科2008年

And clearly, we are trying to find evidence of ET, and we are trying to do that by looking for a signal, in whats called the electromagnetic spectrum, which is a fancy way of saying the radio dial, at least for us. Let me turn on my radio here, okay,

发表于:2019-01-22 / 阅读(191) / 评论(0) 分类 自然百科2008年

每年,《时代周刊》都选出让世界更美好、更智能、更有趣的发明。今年的也能让你大吃一惊哦! 1.The Levitating Lightbulb 1.悬浮灯泡 Since he was a child, Simon Morris has been obsessed with making objects float

发表于:2019-02-01 / 阅读(290) / 评论(0) 分类 阅读空间

Implantable 'eye telescope' that magnifies vision by three times approved for use in patients可以三倍变焦的眼中望远镜已被批准医用。 A miniature telescope that is implanted in the eye to solve sight problems has been approved for us

发表于:2019-02-06 / 阅读(192) / 评论(0) 分类 阅读空间

For one thing, if this was just the Ebbinghaus effect, 首先,如果真是艾宾浩斯效应, then we would expect the moon illusion to disappear for pilots flying high above the clouds 那么我们应该预期月球错觉对于空中的飞行员来

发表于:2019-02-13 / 阅读(237) / 评论(0) 分类 TED演讲教育篇

The construction of the project was started in 2011 with an investment of 1.2-billion yuan, or about 180 million US dollars. The 500 metre Aperture Spherical Telescope, or FAST, is the size of 30 football fields. It's located in a hollow that was for

发表于:2019-02-21 / 阅读(281) / 评论(0) 分类 2016CRI中国国际广播电台
学英语单词
accept performance
acosmeryx formosana
additive fabrication
adhamiyah
almog
apicostome
apostatise
arterial vein of soemmering
as-sahab
Aunt Ruby
backward robot problem solving system
bandage dress
bar drawing
BMOC
boat-belly
borotartrate
brakeage
branching habit
brewer's blackbird
character classification of expenditures
charringtons
claim for contribution in general average
clear aperture
clearness of bole
closedness
constraint functional programming
contain a lot of sand and clay
cumulescent
cyclic
dead-band regulator
decay disintegration
deficiency of curve
design constraint
differential counter
dig ... up
discount model
drunkproofed
dryopteriss
electric heat tracing
existential anxiety, existential crisis
expectational
Filleigh
Flapshell
foot-mark
freeboots
gens
geothermal subsidence
gottlob
head master
holy-day
Iatrobdella
inadhesive
inky-dink
interfelting
kanigget
kennedy round
kieser
laemoparalysis
Lewisohn's method
lexical representation
limit dome height test
liquor sanguinis
lithol fast yellow
lobulose
long-sleeveds
Martindale
metoxyphenol
Meusnier's theorem
midsfinger
neaty udder
neutron activation method
nightmare detective
normal supercharging
open complex
other-regarding
pelagis
Pescara
pluckers
polarization selectivity
poursues
precision radar
predetermined cost system
purpurous
scooptype
search up
self-adaption
self-censorship
sewage disposal-plant
shipwrecked crew
shkin
slaty-gray
speed calculator
spin density wave
stricture of cord
subdelegating
syncarpium
tapered tungsten lend
theory of public finance
untreated felt
us-gao
Werner projection