指数式渐近稳定

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(93) / 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(387) / 评论(0) 分类 麻省理工学院公开课:单变量微积分

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. If you have a dog, you know you gotta walk it. But do you know how it walks? Well, if you have no idea which foot Fido puts forward when, youre in good c

发表于:2019-01-08 / 阅读(113) / 评论(0) 分类 Scientific American(二)月

中国和东盟国家外交部长关于全面有效落实《南海各方行为宣言》的联合声明 Joint Statement of the Foreign Ministers of ASEAN Member States and China on the Full and Effective Implementation of the Declaration on the Conduc

发表于:2019-01-08 / 阅读(102) / 评论(0) 分类 英语口译

By Paul Sisco Washington, DC 16 June 2006 watch Electronic Stability report A study released in the United States this week says putting electronic stability controls on new motor vehicles would significantly reduce fatalities. ---------------------

发表于:2019-01-11 / 阅读(146) / 评论(0) 分类 2006年VOA标准英语(六月)

Small Farm Is a Hit in the Big City Community supported agriculture farms, or CSAs, seek people who pay in advance for fresh vegetables and fruits. One farmer has now expanded his CSA program to a law firm in New York City. The busy lawyers there are

发表于:2019-01-12 / 阅读(104) / 评论(0) 分类 2015年VOA慢速英语(八)月

AS IT IS 2016-04-15 Most Young Arabs Reject Islamic State 大多数年轻人拒绝IS The large majority of young Arab adults say they do not support Islamic State (IS) militants. And more than 75 percent say they do not believe that the Islamic State

发表于:2019-01-12 / 阅读(162) / 评论(0) 分类 2016年VOA慢速英语(四)月

Cheetah's Tail Inspires Model for Robot's Stability 猎豹尾巴启发机器人设计 If you speed your bicycle through a curve, you have to lean to the inner side in order to keep your balance. Many fast moving animals do the same, often with additi

发表于:2019-01-14 / 阅读(101) / 评论(0) 分类 VOA标准英语2014年(二月)

Men are expected to be the main breadwinner whilst women are being relied upon for domestic chores, according to research conducted by Yorkshire Building Society。 由约克郡建房合作社进行的调查显示,在男人被看做家庭主要的经

发表于:2019-01-22 / 阅读(78) / 评论(0) 分类 阅读空间

今天我们要学的词是stability。 Stability, 是稳定的意思。Political stability, 政治稳定;economic stability, 经济稳定。时代周刊2007年的年度人物是俄罗斯总统普京。时代周刊对普京的评价是,He stands,

发表于:2019-01-26 / 阅读(88) / 评论(0) 分类 英语单词荟萃

By Luis Ramirez Bangkok 17 September 2007 One year has passed since the Thai military overthrew the government of Prime Minister Thaksin Shinawatra on grounds it was corrupt. The interim government is making good on promises to return the country to

发表于:2019-02-07 / 阅读(133) / 评论(0) 分类 2007年VOA标准英语(九月)

For hours in the Greek Parliament, exchanges were heated. MPs from all sides, keen to have their say on the austerity measures being voted on. The speaker of the Parliament described what had been put upon Greece as a crime against humanity - a socia

发表于:2019-02-08 / 阅读(84) / 评论(0) 分类 英语新闻

BEIJING, Feb. 15 (Xinhua) -- European Council President Herman Van Rompuy said Wednesday that the European side will consult and cooperate with China in a concrete way to ensure the financial stability of the eurozone. Together with European Commissi

发表于:2019-02-13 / 阅读(74) / 评论(0) 分类 英语新闻

Chinese President Xi Jinping has met with his Costa Rican counterpart Laura Chinchilla in the capital San Jose for bilateral talks. The two leaders are also scheduled to oversee the signing of a number of collaborative deals between the two countries

发表于:2019-02-14 / 阅读(127) / 评论(0) 分类 世界各地新闻集锦

Listen to the news and choose the news' category. 1.David Beckham has quit his team in Spain and joins a soccer team in the States. The move was officially announced on January 2007. 2.In the news today, USA increased their armies in I raq by five th

发表于:2019-02-17 / 阅读(73) / 评论(0) 分类 英语听力练习题

BEIJING, Aug. 22 (Xinhua) -- A senior official of the Communist Party of China (CPC) has urged local political consultative organizations to promote their successful experiences and use them in their daily work. Wang Gang, vice chairman of the Nation

发表于:2019-02-17 / 阅读(96) / 评论(0) 分类 英语新闻

BEIJING, Feb. 14 (Xinhua) -- Chinese Premier Wen Jiabao said Tuesday that China has been ready for a bigger part in the resolution of the European sovereign debt issue. Wen made the remarks when meeting reporters with European Council President Herma

发表于:2019-02-18 / 阅读(100) / 评论(0) 分类 英语新闻

BEIJING, June 15 (Xinhua) -- China on Friday said it held an open attitude towards discussion with the United States on cooperation with Africa. China and the United States are important cooperative partners, and have their respective characteristics

发表于:2019-02-18 / 阅读(76) / 评论(0) 分类 英语新闻

BEIJING, Feb. 15 (Xinhuanet) --China is ready to help Europe deal with its debt problems, Premier Wen Jiabao said on Tuesday. But Europe must solve its own crisis and China expects the eurozone to send clear and positive signals to the world that it

发表于:2019-02-19 / 阅读(69) / 评论(0) 分类 英语新闻

ALISON STEWART, PBS NEWSHOUR WEEKEND ANCHOR: Italians vote tomorrow in a referendum to change their post- World War II constitution in the hopes of alleviating the gridlock that plagues the country's central government. Italy's prime minister for mos

发表于:2019-03-09 / 阅读(120) / 评论(0) 分类 PBS访谈社会系列
学英语单词
a couple of months
acedronoles
alekoki (hawaii)
alter cycle control
amphisolenia bidentata
automatic diskette eject mechanism
bat-likest
Bellflame
berry cell
biotic pressure
caramel-brown
cardiac-care
cattle disease
challenge to
chequered career
chloruresis
chorio-angiofibroma
clinical radiator
comminution
compiling duration
complimentary
cost measurement system
course changing ability test
cross-weighted Fisher indexes
dahabeeyah
Deutzianthus tonkinensis
different environment
Dinagat
dro (digtal readout oscilloscope)
drocotite
drosocin
Drummond,william Henry
dual-groove record
Empoasca subrufa
faees
freelance photography
gein
gley podzol
gypsum block medium
heat producer
HF welding magnetic bar
high-explosive projectile
hopyard
image texture
Incoming link
lasell
latus inframedium
lowa
lower computer
lower regime
lyophob
maba elliptica forst. ebony
magnetclutch
manic psychosis
mariss
megachasma pelagios
micellar surface
micropulverization
milardo
misraise
Nomény
nonretractile
oesophageal veins
Paltauf's infantilism
parts caddie
perpessions
polygonum heterophylum l. p.aviculare l.var.vegetum ledeb.
precipitating factor
pseudocyclopiids
radiobarium
recirculation flow
ring oiled bearing
rod oscillation mechanism
Schweizerischer Bankverein
scotches
Seclin
senke
serial-parallel contact network
shear gradient
signature verification
silent running
solific
Spelve, Loch
sphericality
steel tube armor
swedberg
tantalum target
Taraxacum eriopodum
telex computer communication
tideway
tightly-packed
towel gourd
underwater weapons station
Universal Server
usurary
valver
volumeproduce
vote by show of hands
weight-bearings
winesops
wruxled
zero-line