un. 自对偶
[网络] 同构的双数;多面体是自对偶

Pope Francis Hopes Dual Canonizations Will Reconcile Church On April 27, two popes - John the XXIII and John Paul II - will be made saints in a ceremony at St. Peters Square. The dual canonization is part of the current popes program to reconcile lib

发表于:2018-12-16 / 阅读(244) / 评论(0) 分类 VOA标准英语2014年(五月)

May I see that laptop for a moment? Bill Nichols: Excuse me. May I see that laptop for a moment? Sales clerk: Sure. You mean this one? Bill Nichols: No, the one on the left. Yes, thats the one. ... Thank you. Sales clerk: Its a state-of-the-art piece

发表于:2018-12-16 / 阅读(486) / 评论(0) 分类 英语口语练习

Direct Inward Dialing (DID) DID is PBX-to-central office trunks that allow incoming calls to a PBX to ring specific stations without attendant assistance. DID greatly reduces the number of required co

发表于:2019-01-03 / 阅读(286) / 评论(0) 分类 电信英语

This is Scientific American's 60-second Science. I'm Adam Hinterthuer. Got a minute? When an Iraqi reporter threw his shoe at President Bush, University of Washington neurologists were delighted. But not because of politics. The fling was just real

发表于:2019-01-08 / 阅读(266) / 评论(0) 分类 Scientific American(六)月

Liberian Diaspora Debates Reconstruction, Dual Citizenship Former Liberian foreign minister Olubanke King-Akerele, in a keynote speech, proposed a public-private sector partnership whereby Liberians abroad can set up businesses at home. But, she said

发表于:2019-01-13 / 阅读(316) / 评论(0) 分类 VOA标准英语2012年(七月)

US Secret Service Maintains Dual Mission - Investigations, Protection U.S. Secret Service agents are credited with saving President Ronald Reagan's life during an assassination attempt in 1981. Day in and day out, Secret Service agents and uniformed

发表于:2019-01-13 / 阅读(294) / 评论(0) 分类 VOA标准英语2012年(四月)

Dual Tree Lighting Illuminates Annual Holiday Debate It's the Christmas holiday season in the United States, and with it comes an annual argument: Should local, state and federal governments put up Christmas trees, or even call attention to Christmas

发表于:2019-01-13 / 阅读(276) / 评论(0) 分类 VOA标准英语2011年(十二月)

Twitter's Dual Challenges: Taming The Trolls, Attracting More Users play pause stop mute unmute max volume 00:0004:53repeat repeat off Update Required To play the media you will need to either update your browser to a recent version or update your Fl

发表于:2019-01-17 / 阅读(255) / 评论(0) 分类 2016年NPR美国国家公共电台10月

导语:泰勒不愿屈服于致命的疾病。我们都惊叹生命带给他那纯朴的欢乐和赋予他的活力。泰勒的妈妈经常逗他 红衣服 说,他跑得那么快,得给他穿件红衣服,这样才能一眼发现他。 泰勒病

发表于:2019-02-02 / 阅读(317) / 评论(0) 分类 阅读空间

Tuberculosis infects nearly ten million people each year and kills nearly two million. It is primarily a lung disease that spreads easily among people with weakened immune systems. Sub-Saharan Africa is still the epicenter of the HIV/AIDS disaster, b

发表于:2019-02-04 / 阅读(253) / 评论(0) 分类 VOA标准英语2010年(七)月

今天我们要学的词是dual。Dual 双重的。A number of Taiwan residents who hold dual citizenships have chosen to renounce their American citizenship to avoid paying taxes under the Foreign Account Tax Compliance Act. 一些拥有双重国籍的

发表于:2019-02-05 / 阅读(270) / 评论(0) 分类 英语单词荟萃

美联储宣布明年起缩减QE WASHINGTON, Dec. 18 (Xinhua) -- The U.S. Federal Reserve on Wednesday announced to reduce its pace of bond purchases, the third round of quantitative easing program, by 10 billion U.S. dollars starting January on the

发表于:2019-02-06 / 阅读(198) / 评论(0) 分类 英语新闻

Hovering Backstage 在幕后彷徨 It's rare that you see an artist in his thirties or forties able to really contribute something amazing, 你很少能见到一个艺术家在三四十岁时还能有令人惊叹的作品。 Jobs declared as he was a

发表于:2019-02-09 / 阅读(225) / 评论(0) 分类 乔布斯传

个人资料 name 姓名 alias 别名 pen name 笔名 birth date/date of birth 出生日期 born 出生于 birth place 出生地点 age 年龄 native place 籍贯 province 省city 市 autonomous region 自治区 municipality 直辖市 county 县 nati

发表于:2019-02-09 / 阅读(222) / 评论(0) 分类 实用英语

In my dual profession as an educator and health care provider,I have worked with numerous children infected with the virus that causes AIDS.The relation ships that I have had with these special kids have been gifts in my life.They have taught m

发表于:2019-02-14 / 阅读(304) / 评论(0) 分类 英语美文

今天我们要学的词是 dual citizenship. Dual citizenship 双重国籍。Australia's Deputy Prime Minister Barnaby Joyce was removed from office because of his dual citizenship. 澳大利亚副总理乔伊斯因为双重国籍被免除职务。T

发表于:2019-02-16 / 阅读(239) / 评论(0) 分类 英语单词荟萃

7 Quick ways to turn a bad day around Have you had a bad day recently? This is me raising my hand alongside you. My most recent bad day, like most days, wasnt wholly bad. It just had some bad parts that I allowed to spread across my entire day and so

发表于:2019-02-17 / 阅读(212) / 评论(0) 分类 阅读空间

1985年,乔布斯被迫离开苹果(ouster from Apple in 1985)。十年后,玩具总动员发布,老乔另辟蹊径,通过将NeXT卖给苹果再度进入苹果董事会(Apple's purchase of NeXT offered him reentry into the company he had fo

发表于:2019-02-19 / 阅读(308) / 评论(0) 分类 英语笔译

2015年3月5日上午9时,十二届全国人大三次会议在人民大会堂举行开幕会,听取国务院总理李克强作政府工作报告,审查计划报告和预算报告。 稳中有进 China has, overall, achieved a stable performance

发表于:2019-02-21 / 阅读(268) / 评论(0) 分类 托福英语

Business 商业报道 The circus business 马戏团商业 Sunstroke 日射热 Cirque du Soleil may be struggling, but the cluster around it is thriving 太阳马戏团或许正处于苦斗之中,但围绕其四周的星团正熠熠发光。 No lion

发表于:2019-02-25 / 阅读(514) / 评论(0) 分类 经济学人商业系列
学英语单词
american federation of teachers(aft)
average daily load
average productive output
bee science
beters
Betzdorf
blue tinted glass
caginess
car turnround time
cassia-bark trees
character pointer
chromatography-atomic absorption spectrometer
cleome serrulatas
completionists
compressed
constant voltage system current control
curcuminoids
Cyril of Jerusalem, Saint
dacryoptsosis
dashitall
debts of decedent paid
disempower
doclea canalifera
earconic
Elzyme
enclosed volume
erosion of slope
fair catch
fire scenario
flotation method
forbidden instruction
galvanized sheet
genus cosmocampuss
goffered edge
Granville Ferry
green capsicum
Hendropriyono
high-frequency welding
honey-scented
hopewells
ISE-type grapnel anchor
jaafari
jin
kekule formulas
lowest water level
lyalins
male nurse
manilabiability
masked valve
millosvichite
multistage efficiency
multistratum hierarchical structure
navy numerical weather prediction
night-blue
noctinal
non-salient
orthodromic curve
out of my sight
overuse of
parotidoscirrhus
parthenogonidia
penning up
perceptual speed test
pin back your ears
plasma-derived
pneumatic steel
poly vinyl formal
possess
power pressure
pressure elastic element
psyllid
ramie fabric
removable bridgework
RGH-4405
schatzow
sclerocortex
secondary-electron counter
self-baking electrode
shavetail
shivas
signature-models
Simozonotriletes
slab waveguide shape birefringence
sowing on ridge
spontaneous occlusion of the circle of Willis
storywriter
sulphamethoxypyridazine
tetrapartile chromosome
the Association of Residential Letting Agents
tholens
tooth ornament
topological groups
triangle computation
two-key cryptosystem
undersurface
unmanliness
vat pasteurization
vinegar souring
voting decision
water lute
work like a nigger
xizhe