重力加速度场

This is Scientific American's 60-Second Science. I'm Steve Mirsky. Got a minute? You could think of it as the real dancing with the stars. Two white dwarf stars have been found twirling around each other to make a complete orbit in less than every 13

发表于:2019-01-08 / 阅读(68) / 评论(0) 分类 Scientific American(七)月

Gravitational Waves Detected, Einstein Is Right 引力波存在证明爱因斯坦是正确的 尽管花费了100年时间,最终科学家还是证明了爱因斯坦的理论是正确的,引力波确实存在 The waves were predicted as part of Ei

发表于:2019-01-12 / 阅读(51) / 评论(0) 分类 2016年VOA慢速英语(二)月

NASA's GRAIL to Map the Moon The U.S. space agency NASA is preparing to launch a new, nearly half-billion dollar lunar mission that will enable scientists to better understand the moon's gravitational field and the lunar interior, from crust to core.

发表于:2019-01-13 / 阅读(59) / 评论(0) 分类 VOA标准英语2011年(九月)

In 2016 the Laser Interferometer Gravitational-Wave Observatory, LIGO, made the first accepted detection of gravitational waves. So any time you move a mass it produces a gravitational waveso black holes, like the ones LIGO detected, these are stella

发表于:2019-01-20 / 阅读(80) / 评论(0) 分类 2017年Scientific American(三)月

High above your head, in the centre of our Milky Way Galaxy, a violent drama is about to unfold. Our super-massive black hole is getting ready to have dinner. As a gas cloud three times the size of the Earth, its caught in its gravitational hold. Acr

发表于:2019-01-23 / 阅读(42) / 评论(0) 分类 探索与发现2013年

When assembled, Michell's apparatus looked like nothing so much as an eighteenth-century version of a Nautilus weight-training machine. It incorporated weights, counterweights, pendulums, shafts, and torsion wires. 装配完毕以后,米歇尔的仪器

发表于:2019-01-29 / 阅读(40) / 评论(0) 分类 万物简史

At Principia's heart were Newton's three laws of motion (which state, very baldly, that a thing moves in the direction in which it is pushed; that it will keep moving in a straight line until some other force acts to slow or deflect it; and that ever

发表于:2019-01-29 / 阅读(47) / 评论(0) 分类 万物简史

Four months after the historic first-ever detection of gravitational waves, scientists said they have directly detected another gravitational wave washing over the Earth. 在引力波历史性的首次检测到四个月之后,科学家们近日表示

发表于:2019-02-02 / 阅读(85) / 评论(0) 分类 英语新闻

Chinese scientists have announced a gravitational wave research plan they're dubbing Taiji. The Chinese Academy of Sciences says their research plans will be finalized later this year. Academy member Wu Yueliang says their research will focus on low

发表于:2019-02-02 / 阅读(86) / 评论(0) 分类 英语新闻

David Reitze, executive director of the U.S.-based Laser Interferometer Gravitational-Wave Observatory, also known as LIGO, made the announcement in Washington D.C. Ladies and gentlemen, we have detected gravitational waves, we did it! The gravitatio

发表于:2019-02-02 / 阅读(49) / 评论(0) 分类 英语新闻

科学家发现宇宙膨胀的证据 WASHINGTON, March 17 (Xinhua) -- U.S. astronomers announced Monday they have captured the first images of gravitational waves, or ripples in space-time described as the first tremors of the Big Bang in which the u

发表于:2019-02-03 / 阅读(63) / 评论(0) 分类 英语新闻

They were proposed almost exactly 100 years ago by Albert Einstein based on his theory of general relativity but it was only in February 2016 that scientists proved the existence of gravitational waves. And now China is starting work on the worlds hi

发表于:2019-02-06 / 阅读(79) / 评论(0) 分类 英语新闻

Thanks Michael. The incoming deputy prime minister Barnaby Joyce has promised to be a champion of regional Australia. Mr. Joyce will be sworn into the deputy's position after being elected unopposed as the leader of nationals. Senator Fiona Nash was

发表于:2019-02-14 / 阅读(51) / 评论(0) 分类 澳洲ABC新闻快递2016年

Astrophysics 天体物理 Dust to dust 尘归尘,土归土 A dramatic recent discovery in physics is looking rather dodgy 近期,物理学中的一项戏剧性发现看上出非常模糊 IN MARCH Chao-Lin Kuo, an astrophysicist at Stanford Univer

发表于:2019-02-16 / 阅读(80) / 评论(0) 分类 经济学人科技系列

Leaders 社论 Cosmology 宇宙学 Man suddenly sees the start of the universe 揭秘宇宙的起源 The quest to understand reality takes a great leap backwards 科学新突破探索宇宙诞生之初的真相 IN THE beginning was the word and the w

发表于:2019-02-17 / 阅读(59) / 评论(0) 分类 经济学人综合

在阅读中把握GRE词汇含义方法技巧 GRE文章是论证性文字,不是说明性文字,也不是叙述性文字。这种以论证为特点的文字,及于GRE阅读文章的各个层面:篇章段落句子单词。篇章由多个论点组

发表于:2019-02-17 / 阅读(46) / 评论(0) 分类 GRE英语

首先我必须要知道,一篇文章中不认识的单词占托福阅读词汇总量的比例只要控制在8%以内,是绝对不会影响到我们对全文任何观点的理解的。基于这一点,我们大家大可不必因为遇到了几个我

发表于:2019-02-17 / 阅读(147) / 评论(0) 分类 GRE英语

Chinese scientists have announced a gravitational wave research plan they're dubbing Taiji. The Chinese Academy of Sciences says their research plans will be finalized later this year. Academy member Wu Yueliang says their research will focus on low

发表于:2019-02-21 / 阅读(82) / 评论(0) 分类 2016CRI中国国际广播电台

As altitude increases, atmospheric pressure decreases. This is due to Earth's gravitational pull on the air molecules in the atmosphere. The closer to the Earth's surface the stronger the force exerted on these molecules. 随着高度上升,大气压

发表于:2019-02-22 / 阅读(53) / 评论(0) 分类 留美老师带你每日说英文

首先要说的是,在阅读教学的研究当中,语言学家们发现,一篇文章中不认识的单词占全文词汇总量的比例只要控制在8%以内,是绝对不会影响到我们对全文任何观点的理解的。基于这一点,我

发表于:2019-02-25 / 阅读(71) / 评论(0) 分类 GRE英语
学英语单词
air-filled pore
alimentary lipemia
aluminum alkoxide
Amanita pantherina
Amblosin
Aurelian Wall
base transport factor
bit string error
Borgia family
bound theorem
Capsian
chained records
Chilca, Pta.
claim supported by the description
combat plane
covert-way
dating method
de-entrainer
defatted and bleaching facility
diameter of screw
double Compton effect
electric monopole
errible
faired
fellow passenger
fiber-saturation point
flux meter
Friends Service Council
frontier set
grimful
grit stratum
hairpieces
hall mobility
high-resolution image sensor
hipwell
inhomogeneous dispersion
intellectual junkfood
jihadising
laver harvester
local authority escalator loan
logical empiricist
major task segment
melatoninergic
microset presetting machine
millifarads
Nimrod, Mt.
No. of plates
nontariff protectionism
nurse cells
Open Office
Ordzhonikidzeabad
ouananiche
outfield player
panoptic, panoptical
passenger zone
Pedicularis cheilanthifolia
physiopathologic
polyurethane pad blanking
production function constraint
prostate-specific antigen
pteridine
putting two and two together
pyttel
radioluminescence
raising-prescriptions
rebounds
regional mark
remote control master switch
removing toxicity for protecting yin
Resplene
rozins
Saurauia punduana
scientific-technical rationality
serioline
small coal
small intestine obstruction
sociable numbers
soft meson technique
spheroidal galaxy
static capacitance
sulci venae umbilicalis
switchsignal
Szentes
tap-hole bar
There are more ways than to kill a cat.
time deposits
transverse laser mode
trimetazidine
TSS file management
two-dimensional communication
tychopotamic
u-b color index
unlegalized
upward welding
uranochalcite
vocational curriculum
Waterborne Business Law
wet magnetic cobber
Windsor Declaration
Woods Hole
wormald
Zamami-jima