负性重力异常

This pump has been changed out before. This is the starboard side. Back in August of 2010, we did a pump rr for a different failure. That was actually a failure of the pump. This is a valve inside the pump module itself. And so, this particular pump

发表于:2018-12-15 / 阅读(207) / 评论(0) 分类 美联社新闻一分钟2013(十二月)

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(136) / 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(126) / 评论(0) 分类 2016年VOA慢速英语(二)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(156) / 评论(0) 分类 2017年Scientific American(三)月

英文歌词 Listen baby I wonder why sometimes we fall apart oh yeah Together we are so wonderfull yeah baby And every single day i pray, that really things shouldnt never be this way Im only trynna be a better man Why then do you see all the negative

发表于:2019-01-21 / 阅读(247) / 评论(0) 分类 音乐咖啡厅

In polar regions where the magnetic field is / weakest, auroras glow in the sky. These dazzling displays of colored lights form when solar particles slam into gases in our atmosphere causing them to glow. The stronger the solar wind, the more dramati

发表于:2019-01-22 / 阅读(144) / 评论(0) 分类 自然百科2011年

Blockson's computer model reveals that at the South Atlantic Anomaly, the magnetic field isn't just weaker than anywhere else on the planet. It's actually reversed polarity. There is a patch on the core in the South Atlantic where things are not poin

发表于:2019-01-22 / 阅读(139) / 评论(0) 分类 自然百科2011年

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(170) / 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(157) / 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(175) / 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(110) / 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(134) / 评论(0) 分类 英语新闻

LOS ANGELES, Oct. 31 (Xinhua) -- A passenger rocket plane developed by Virgin Galactic's crashed on Friday after suffering an in-flight anomaly during a powered test flight over the U.S. state of California, the commercial company said on Twitter. 新华

发表于:2019-02-05 / 阅读(202) / 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(154) / 评论(0) 分类 英语新闻

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(147) / 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(133) / 评论(0) 分类 经济学人综合

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(228) / 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(157) / 评论(0) 分类 2016CRI中国国际广播电台

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(137) / 评论(0) 分类 GRE英语

[00:27.68]checkmate 将军! [00:32.28]again?! 又来?! [00:32.64]Obviously,you're not well suited for three-dimensional chess. 很显然 你不适合玩三维国际象棋 [00:36.84]Perhaps three-dimensional candy land would be more your speed. 你的水

发表于:2019-03-16 / 阅读(354) / 评论(0) 分类 听电影学英语-生活大爆炸
学英语单词
adjacent binary image values
advance time
aeryn
air intake valve
all thumb
armature core
Arthus
astatic system
audience reaction team
base circle of an involute
be dismayed
blra
board inghouses
business process management
Cadoneghe
cams
Cineform
cinnofuradione
classified matter
complimentary
constant-ratio code
cottagelike
custody of cargo receipt
cyphel
dustbathing
electrocutor trap
embargoes
evaporating cooling
exclusion of officers
family galbulidaes
file element
filot cross
flagellar base-kinetoplast complex
flange of pol piston ring
flouncers
fonio
fuddy
gain-bandwidth product
gemeinde
geometry test
guide missle
have a long session
hemitrope twin
hemobartonellosis
holobook
homidium bromide
Hydrofluorherderite
igneus
irradiation unit
ivy-berry
Jury Charge
kazooing
keg stand
ketoacid
kieselgel
kreotoxin
labneh
lettercard
like a blue streak
local networks
loessic
long piled wharf
loston
Macedonia(Former Yugoslav Republic of Macedonia, The)
malaquais
Malayalam
masure
Milliardetism
montaltoes
most-favo(u)red-nation tariff rate
Nakano-shima
neutral fix-point
nontipped
oldtowns
Omsukchan
Plover R.
poppa
prereversal
preworking a block
psychological isolation
punched card verifier
Qipchak
ram tensioner
retaining ring for shaft shoulder
Richlea
sga
siphon bend
solid type crankshaft
sonatine
static chain
static phase comparator
statisticizing
stearic
stereocopic vision
third molar
tideborne
transposition of radial nerve
venae scleraless
Venizelos, Eleutherios
walk rearrangement
Wallace, Sir William
watchband