离散信息

Transcript This is Scientific American's 60-Second Science, I am Cynthia Graber.This will just take a minute. Physicists at the Brookhaven National Laboratory have been able to send information ahead of particle beams racing at nearly the speed of li

发表于:2018-12-24 / 阅读(163) / 评论(0) 分类 Scientific American(二)月

My own starting point, for what it's worth, was an illustrated science book that I had as a classroom text when I was in the fourth or fifth grade. 我写本书的最初灵感,不管其价值如何,来自我在念小学四、五年级时有过的一

发表于:2019-01-01 / 阅读(87) / 评论(0) 分类 万物简史

Delay - This is the wait time between to specific events, and regarding satellite communications, it is the time it takes for a signal to go from the transmission station up to orbit and through the s

发表于:2019-01-03 / 阅读(121) / 评论(0) 分类 电信英语

Analog - Transmitting information that is characterized by continuously variable quantities (such as with AM or FM). This is different from digital transmission, which is characterized by discrete bit

发表于:2019-01-03 / 阅读(170) / 评论(0) 分类 电信英语

Grammar Girl here. Today's topic is whether--not rain or sunshine, but whether w-h-e-t-h-e-r, as in whether you like it or not, it's the topic. [Listener question about if versus whether and whether you need an or not after whether] Well, it's been a

发表于:2019-01-07 / 阅读(115) / 评论(0) 分类 英语语法 Grammar Girl

Most people feel nervous prior to giving a speech. This is human nature and indeed some degree of nerves is absolutely essential to remain alert and deliver the speech clearly. However nerves do become a problem if they are debilitating in any way. T

发表于:2019-01-08 / 阅读(129) / 评论(0) 分类 英语小短文

Everybody knows that the dice are loaded 每个人都知道骰子被灌了铅 Everybody rolls with their fingers crossed 每个人都知道跟着他们手指的方向走 Everybody knows that the war is over 每个人都知道战争已经结束 Everyb

发表于:2019-01-10 / 阅读(171) / 评论(0) 分类 美国偶像 American Idol

AA: I'm Avi Arditti with Rosanne Skirble, and this week on Wordmaster: new standards for English learners in American public schools. RS: One in nine public school students is a non-native English speaker; in twenty years, it could be one in four. Th

发表于:2019-01-18 / 阅读(150) / 评论(0) 分类 英语单词大师-Word Master

Books and Arts; American art museums; A hinterland beauty; 文艺;书评;美国艺术博物馆; 腹地美景; Moshe Safdie and some intelligent curatorial work have produced a rural gem; 摩西萨夫迪和一些聪明的策展工作创造了一个田

发表于:2019-01-27 / 阅读(158) / 评论(0) 分类 经济学人文艺系列

德国杂志揭示了美国国家安全局黑客入侵手段 LONDON - A German magazine lifted the lid on the operations of the National Security Agency's hacking unit Sunday, reporting that American spies intercept computer deliveries, exploit hardw

发表于:2019-01-31 / 阅读(146) / 评论(0) 分类 英语新闻

A major conference, The 2015 Conference on Big Data Index of Culture and Entertainment Industry, was held on Friday in Beijing, during which awards were given to the most talked about TV series, online dramas, movies and variety shows in China. Stand

发表于:2019-02-01 / 阅读(119) / 评论(0) 分类 实用英语

Everybody knows that the dice are loaded 每个人都知道骰子被灌了铅 Everybody rolls with their fingers crossed 每个人都为自己的命运捏了一把汗 Everybody knows that the war is over 每个人都知道战争已经结束 Everybody

发表于:2019-02-01 / 阅读(134) / 评论(0) 分类 听歌学英语

Dangling bonds 悬挂键 Dark current 暗电流 Dead time 空载时间 Debye length 德拜长度 De.broglie 德布洛意 Decderate 减速 Decibel (dB) 分贝 Decode 译码 Deep acceptor level 深受主能

发表于:2019-02-05 / 阅读(138) / 评论(0) 分类 实用英语

You Can Beat Depression by William Thomas Buckley Depression has always been considered a disease of life's middle or later years, but doctors are now reporting a surprising surge in cases among younger people. Why is depression striking earlier and

发表于:2019-02-07 / 阅读(150) / 评论(0) 分类 实用英语

His main work done, Patterson now turned his attention to the nagging question of all that lead in the atmosphere. He was astounded to find that what little was known about the effects of lead on humans was almost invariably wrong or misleadingand no

发表于:2019-02-17 / 阅读(96) / 评论(0) 分类 万物简史

考研 http://www.kuakao.com/完型,大家都非常熟悉的题型,但在这一部分,真正得高分同学非常少,因为它非常难。难就难在我们大家必须要掌握雄厚的语言基础实力和理解上下文语句的逻辑推理和

发表于:2019-02-17 / 阅读(106) / 评论(0) 分类 考研英语

It's a stat that gets bounced around as e-mail-forward wisdom: men think about sex every seven seconds. Even when the idea lacks this mythical specificity and grandiosity (that's 7,200 times a day!), the idea that men think about sex basically all th

发表于:2019-02-17 / 阅读(120) / 评论(0) 分类 阅读空间

1959: The Year That Changed Everything A crowd gathers in New York's Times Square to usher in the New Year, 1959. The importance of what future met them that year is still being debated. How Significant Will 2009 Appear in the Lens of History? Jeff G

发表于:2019-02-18 / 阅读(214) / 评论(0) 分类 阅读空间

Now, have any of y'all ever looked up this word? 好,你们中有谁查过这个单词? You know, in a dictionary? Yeah, that's what I thought. 用字典?是的,我想也就这个样子。 How about this word? Here, I'll show it to you. 这个单

发表于:2019-03-04 / 阅读(190) / 评论(0) 分类 TED演讲教育篇

For years, I had resisted medication, making many, many efforts to get off. 这些年来,我一直反对用药,为此会付出一切。 I felt that if I could manage without medication, 我感觉到我不服用药物也可以保持 I could prove

发表于:2019-03-04 / 阅读(141) / 评论(0) 分类 TED演讲教育篇
学英语单词
2-butanone oxime
a bill of health
a swinger
accumulator storage battery
al-shabaab
alasitas
alleyed
apollo beach
basilard
bear examination
Benchmark Bond
bonifacia
Braunston
bunk up
capped-rate
cardio-aorthic nerve
cast aspersions on someone
cock of the school
coniferopsidas
daynous
degree of approximation
dilemmas
diphosphonucleoside
diplohaplont
Diproderm
direct-acting magnetic system
discharge of repayment
disproportions
driven shaft
drougge
Ebmf
excruciable
first surplus treaty
fuel-life
furphy
gloriette
halach uinic
hattat
have at you
have the cards in one's hands
high pressure sterilization
ichthy-
in plan
Inline linking
Iranscam
iridum
iron pheophytin
jenkins's
joy-powder
Klippel-Trenaunay syndrome
Lao People's Democratic Republic
lay-bys
LCLO
lewisia redivivas
Lincoln rocker
Lipscomb County
matrixer
medium quartz spectrograph
meet-ups
megacelebrity
mollisoil
mutational delay
myeloplax
negative envelope feedback
Neo-Aramaic
no passing
nonCanadian
overswarming
oxyporhamphus micropterus micropterus
Parrott, Robert Parker
photoelectric guider
Pilenga
pilulae asafoetidae
polyurea fibre
pulse extraction column
reciprocal quadric
reverential
saryarkite-(Y)
second polar body
sethos
settlement accounts
several layer solenoid
sist
slenderly
snaking motion value of specimen stage
solid bowl centrifuger
string duet
sumin
take on an expression
the ground sliding from under someone
third circle goniometer
trauncher
tuberculin tested milk
unembattled
unendoresed check
unplanned outage state
unvandalized
venae azygos minor superior
vossen
West Sahara
zavos