离散傅立叶序利

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(184) / 评论(0) 分类 Scientific American(二)月

Robert Owen, a British mill-owner and reformer, treated private property, along with organised religion and marriage, as a social scourge. In 1825 he bought land for a farm-and-factory commune in Indiana. It attracted farmers, artisans and intellectu

发表于:2018-12-31 / 阅读(107) / 评论(0) 分类 经济学人文艺系列

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(134) / 评论(0) 分类 英语语法 Grammar Girl

A China-made wearable robot that can assist disabled people with walking is expected to enter the market in one to two years, according to its developer. 我国已自主研发出一款可以帮助残疾人行走的可穿戴机器人,其研发方称,

发表于:2019-01-07 / 阅读(142) / 评论(0) 分类 英语新闻

Cameras were once big and bulky. Today,really good cameras fit in your pocket. And now, researchers at Cornell havedeveloped a camera thats just a half-millimeter on each side and a hundredthof a millimeter thick. The lens-less device is called a Pla

发表于:2019-01-08 / 阅读(158) / 评论(0) 分类 Scientific American(七)月

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(150) / 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(188) / 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(165) / 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(174) / 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(175) / 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(134) / 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(158) / 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(149) / 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(165) / 评论(0) 分类 实用英语

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(128) / 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(134) / 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(228) / 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(208) / 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(158) / 评论(0) 分类 TED演讲教育篇

Live a single day on planet Earth, or anywhere else in the universe for that matter, and you will experience the natural phenomenon of heat conduction, which is the term used to describe the natural flow of heat from warmer objects to cooler ones. Yo

发表于:2019-03-06 / 阅读(190) / 评论(0) 分类 英语时差8,16
学英语单词
Adam's Flannel
air friction clutch
allium cepa viviparums
arthropodean
articulating half-ring
atty gen
autochthonism
Bangladeshize
biomanufacturers
blended paint
blepharorrhoea
blind-bidding
bog turtle
Carmen, I.del
cavity boundary
CC-DR
CGPR
charging barrel
Chenossil
code-crackers
conoscente
constant rate period of drying
convected inertial force
dinosaurias
diploid sporophyte
East Butt-fuck
electrolytic deposition of mother
electromagnetic susceptibilty
extrusion lamination
face sprag
family casuaridaes
family Cucurbitaceae
finalizations
fit to page
front-end processor(fep)
high accuracy formula
high budget
hyperalphalipoproteinemia
I.W.W., IWW
inadequate housing
isodynamicline
jazzbo
JESRA
John Wiclif
keep on one's toes
laser-Raman spectrometry
line tracking
lipid bilayer
macfarlanes
matria
maxillary sinuses
may it be
May-bush
mechanics of elastic bodies
meteorologic instrument
multiple channel per carrier (mcpc)
nasse
non-crystal body
oilwell safety equipment
overwhip
paid-up policy
parallel filter
photographic responsivity
plasma electron
play off a draw tie
poblets
porto
pseudo ester
questio
radioimmunodetection
Rawatsar
read-me
residual problem
Rt. Hon.
scribbling set
service generator room
share swap
single-sided plate valve
Skippack
snowy tree-cricket
somnophiliacs
Spinycheek
still-rooms
storage table
strontium thiosulfate
structure of real member system
sturre
system of democratic centralism
tar-and-feather
templater
time-shock
tolerance region
transchromosomic
true type font
uk driving licence
utilization of river water
volatile rust preventive paper
water soldier
wincher
winterson
wood fire-retardant treatment