带尾射电星系

[00:02.91]像捉迷藏一样 Like hide and seek. [00:25.34]如果我被跟踪了,我总是会感觉到 I can always sense when Im being tailed. [00:27.68]我知道怎样找到被跟踪的迹像 I know what to look for. [00:29.54]但是我从来没有

发表于:2018-11-30 / 阅读(182) / 评论(0) 分类 听电影学英语-战争之王

Unit Three Text Are we humans alone in the universe? Or is there intelligent life on other planets? These questions are not new. What is new, however, is the scientific attempt to discover whether or

发表于:2018-12-04 / 阅读(129) / 评论(0) 分类 大学英语精读第六册

Are we humans alone in the universe? Or is there intelligent life on other planets? These questions are not new. What is new, however, is the scientific attempt to discover whether or not other planets beyond our own have given birth to advanced civ

发表于:2018-12-07 / 阅读(95) / 评论(0) 分类 英语散文阅读

This is Scientific Americans 60-Second Science. I am Adam Hinterthuer. Got a minute? Earlier this month, NASA announced that an MIT Physics professor will lead a team of scientists on a new mission. The objective: build a giant radio telescope on the

发表于:2018-12-24 / 阅读(89) / 评论(0) 分类 Scientific American(二)月

Recently, some researchers in Australia were excited about messages from a distant galaxy. But it turns out that the signals were from a completely different source. The scientists at Parkes Observatory in Australia specialize in radio bursts- short

发表于:2018-12-28 / 阅读(65) / 评论(0) 分类 轻松英文阅读

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(116) / 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(106) / 评论(0) 分类 国家地理2008年

AMERICAN MOSAIC - In a Galaxy Far, Far Away, 'Star Wars' Comes to an End By Nancy Steinbach and Caty Weaver Broadcast: Friday, May 27, 2005 (MUSIC) HOST: Welcome to AMERICAN MOSAIC, in VOA Special Eng

发表于:2019-01-07 / 阅读(150) / 评论(0) 分类 American Mosaic

Radio telescopes are not enough, says SETI scientist Art Chimes | Washington, DC 16 April 2010 When the search for extra-terrestrial life began a half-century ago, it was assumed that technological civilizations would broadcast more and more signals

发表于:2019-01-13 / 阅读(143) / 评论(0) 分类 VOA标准英语2010年(四)月

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(142) / 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(103) / 评论(0) 分类 自然百科2008年

HARI SREENIVASAN: It's an eventful day and a humbling one for the electronic giant Samsung, the world's largest maker of smartphones. Today, the company announced that it is halting production of its beleaguered Galaxy Note 7 phone. Reports of the No

发表于:2019-01-27 / 阅读(112) / 评论(0) 分类 PBS访谈商业系列

统计学名词词汇 population 母体 sample 样本 census 普查 sampling 抽样 quantitative 量的 qualitative/categorical 质的 discrete 离散的 continuous 连续的 population parameters 母体参数 sample statistics 样本统计量 descriptive statistics 叙述统计学 infer

发表于:2019-02-03 / 阅读(104) / 评论(0) 分类 英文语法词汇

在新托福考试中,很多考生最容易忽略的就是阅读,因为在跟各种英语考试的过招中,绝大部分人会感觉阅读是自己的强项。然而这种认知不一定准确。在青岛新东方的培训课程当中,发现不

发表于:2019-02-09 / 阅读(86) / 评论(0) 分类 托福英语

By Cindy Saine Washington 14 May 2008 Scientists have announced the discovery of the youngest known exploding star, or supernova, in our Milky Way galaxy. Astronomers say the remnant of the most recent supernova could provide clues to a long-standing

发表于:2019-02-09 / 阅读(153) / 评论(0) 分类 VOA标准英语2008年(五月)

Now, extinction is a different kind of death. It's bigger. We didn't really realize that until 1914, when the last passenger pigeon, a female named Martha, died at the Cincinnati zoo. This had been the most abundant bird in the world that'd been in N

发表于:2019-02-16 / 阅读(87) / 评论(0) 分类 英语语言学习

Wikipedia is becoming Wookiepedia as boffins hope the informative website will help us reach out to intelligent life forms. 维基百科(Wikipedia)真的要变身星战维基(Wookiepedia)了。加州研究人员希望这个百科式网站能帮

发表于:2019-02-18 / 阅读(83) / 评论(0) 分类 阅读空间

left-skewed 左偏 negative-skewed 负偏 right-skewed 右偏 positive-skewed 正偏 contingency table 列联表 sampling distribution (of a statistic)(某个统计量的) 抽样分布point estimate 点估计值 point estimator 点估计式 unbiased

发表于:2019-02-18 / 阅读(115) / 评论(0) 分类 英语口译

发现不少这样的同学,自认阅读不错,实际考出来的分数只有22分左右,甚至会更低。ETS对阅读高水平(High level)的评定标准是2230分。而事实上,阅读如果达不到25分以上,总分想要过百会比较困

发表于:2019-02-26 / 阅读(104) / 评论(0) 分类 雅思英语

讲解文本: drizzle 毛毛雨,下毛毛雨 The drizzle had now stopped and the sun was breaking through. 毛毛雨现在已经停了,太阳正破云而出。 Oh no! It is starting to drizzle. 欧不!开始下毛毛雨了。 疯狂练习吧!

发表于:2019-03-06 / 阅读(193) / 评论(0) 分类 愉悦口语
学英语单词
aircraft power vehicle
alkalosite
anti-knocking compound
Apollo computer
babil
bark ga(u)ge
battles of monmouth court house
bi-comodule
Biled
bitter taste in mouth
boat fall reel
bonuses distributed according to strict calculations
borax-bead test
boron coating chamber
bridal wreaths
bronze star medals
budget documents
burrstone mill
campaign advertising
CCMT
cebiches
cercospora mamaonis
cervical muscle
Coastal State Control
Coniston Water
coprostenol
cross steering device
depression curve
dimond
dronishly
educational level
fencing cully
field release
fringe magnetic field
genus Corynebacterium
get the grab on
groundmeter
hauling capacity
heliometric index
honourability
iclrs
Ilizarov apparatus
impulse current seam welding machine
inscientifical
inverted limb
iodine solution
jerome robbinss
jesse jacksons
kamahi
knollenorgan
large lot
Levenea
looked into my eyes
Lübecker Bucht
Malters
metal strip bolometer
methodological issue
model modular computer
multi-use bit
n2o/cf4 plasma
natural distributive justice
net short term gain
nonsplintering
notice of discontinuance
P/E
phthalamaquin
polgar
prefrontal
presser bar
range restriction error
reconnaissance
recorrects
Reunioneses
Rui Barbosa
salpinges
satellite digital audio radio service
schedule algorithm
scomberomorus sinensis
second heads rice
Setariasis
sheenful
single condctor
sitting bulls
standgale
suchiate
sweetch
Syntodecin
Talata Mafara
taped bush
technical objective document
termination forthwith clause
tooth fillet
track navigation computer
triphane (spodumene)
turn someone's brain
two-decades
uranidine
waited upon
warriorlike
white wizard
Yopal
Zarya, Poluostrov