离散时间指数

From the highest court in the United States to the lowest point on the planet, weve got it covered in todays edition of CNN Student News. Im Carl Azuz. Lets go. First up, the first arguments about President Obamas health care reform law. The U.S. Sup

发表于:2018-12-02 / 阅读(187) / 评论(0) 分类 CNN2012年(三)月

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(265) / 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(173) / 评论(0) 分类 万物简史

A couple of years ago when I was attending the TED Conference in Long Beach, 几年前我参加在长滩TED会议的时候, I met Harriet. 我遇到了哈里特。 We'd actually met online before not the way you're thinking. 实际上我们以前在网

发表于:2019-01-03 / 阅读(188) / 评论(0) 分类 TED演讲科学篇

分集介绍:指数,log,对数微分;双曲函数 Exponential.and.log.Logarithmic.differentiation;.hyperbolic.functions

发表于:2019-01-05 / 阅读(497) / 评论(0) 分类 麻省理工学院公开课:单变量微积分

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(215) / 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(236) / 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(272) / 评论(0) 分类 美国偶像 American Idol

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(235) / 评论(0) 分类 经济学人文艺系列

Tonight on the posh French reverie, a final preps is underway, as the Cannes Film Festival is about to kick off, and there is a hunt on for some jewel thieves. This is a time when the small town is a big target for thieves, looking the cash in big ti

发表于:2019-01-29 / 阅读(179) / 评论(0) 分类 访谈录2015年

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(263) / 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(193) / 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(245) / 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(218) / 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(223) / 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(181) / 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(185) / 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(300) / 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(261) / 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(217) / 评论(0) 分类 TED演讲教育篇
学英语单词
acylethanolamine
adverse current
answering statement to a demand for arbitration
antinial
bank-book
basal density
base helix engle
be free out on bonds
blepharodiastasis
blife
brides-to-be
cam-grinder
centroid of asymptote
Chonemorpha griffithii
chrysil rubber
ClockworkMod Recovery
coefficient of standard deviation
compact into
conjugate protein
connectograms
critical wind velocity
delexically
direct approach
disk storage system
easy-to-use word processing
ecological equivalence
enjoyment of right
equity-market
eupassopin
exhauster chamber
exokinase
fear control process
febrile antigen
foam value
follower stud and unt
frost-tender
Fusarium roseum
fusion warhead
gardnap
gathics
genuflection
handset handspike
hard chromium plating
harmonic chromatic scale
high-pressure laminating
inert reaction
inorganic arsenic chemicals
Ixeridium biparum
jaragua
khaled
light-rock
liquid gold
lower edge
Luangwa National Park
Madge
manual operated control
mark up cancellation
master relay
meditemporal gyri
melton
mindscapes
mummykins
no-failure access
nonelectronic
notwithstand
nuclear pores
Olyutorskiy, Mys
ooaa
open-circuit scuba
pale pink
pandemonism
parent elements
Pareto principle
Perognathus
pholiota highlandensis
post-data
prejudications
pressing strength
psammodictyon corpulentum
pupa angularis
pyrogene grey
reef atoll
relictions
rheodichroism
roleau
runnelling
ship's special survey with date
startlers
Sudan yellow G
Sulzemoos
tactical information processing and interpretation system
tandem accelerator
teacake
trusted distribution
Veit's treatment
vends
Wad Bandah
warm-up jacket
well car
you had me at hello
zebra danio
zinc vitriol