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Of the many puzzles mathematicians ponder, one is new ways to tie knots. There are more than six billion different types of knots that have been tabulated by mathematicians. Six billion. David Leigh, a chemist at the University of Manchester in the U

发表于:2018-12-24 / 阅读(340) / 评论(0) 分类 2017年Scientific American(一)月

Knot Not Easy to Knot 看结容易 打结难 Of the many puzzles mathematicians ponder, one is new ways to tie knots. There are more than six billion different types of knots that have been tabulated by mathematicians. Six billion. David Leigh, a che

发表于:2018-12-24 / 阅读(241) / 评论(0) 分类 2017年Scientific American(二)月

Burkina Faso's Compaore Claims Victory, Angers Opposition 布基纳法索总统龚保雷的获胜激怒反对派 Opposition candidates also say there was fraud, but that it's impossible to prove, accu

发表于:2019-01-03 / 阅读(263) / 评论(0) 分类 VOA2005(下)--国政军事聚焦

By Nico Colombant Kinshasa 31 October 2006 Election officials in the Democratic Republic of Congo have denounced the announcement of speculative results, following Sunday's decisive second-round presidential election. They have called for patience a

发表于:2019-01-09 / 阅读(274) / 评论(0) 分类 2006年VOA标准英语(十月)

In Ghana, election officials are counting the votes from Sunday's elections and unofficial returns show that with more than one-third of the constituencies tabulated, two leading candidates are in a tight race for the presidency. Election observers

发表于:2019-01-13 / 阅读(235) / 评论(0) 分类 VOA标准英语2008年(十二月)

Vote Counting Underway After Big Voter Turnout in Kenya Voters began lining up in the early morning hours at this polling station in Gatundu. Huge turnout across the country overwhelmed polling stations, and many, like Lucas Nganga, waited hours to v

发表于:2019-01-14 / 阅读(216) / 评论(0) 分类 VOA标准英语2013年(三月)

It's the worst one-day sell-off on Wall Street since after the 9/11 attacks. Stock prices plunged today across the board and around the world. The Dow Jones Industrial Average was down about 416 points at the closing bell and at one point it fell un

发表于:2019-01-26 / 阅读(240) / 评论(0) 分类 商业报道2007年

By the time Terman was finished, he had sorted through the records of some 250,000 elementary and high school students, 当所有测试结束时,特曼已经得到了250 000名中小学学生的测试结果, and identified 1,470 children whose IQ

发表于:2019-01-29 / 阅读(249) / 评论(0) 分类 异类:不一样的成功启示录

By Scott Bobb Johannesburg 04 December 2006 Madagascar President Marc Ravalomanana casts his ballot in Antananarivo, 3 Dec 2006 In Madagascar, preliminary returns from Sunday's presidential election show the incumbent in the lead. International obse

发表于:2019-02-04 / 阅读(266) / 评论(0) 分类 2006年VOA标准英语(十二月)

Britain's foreign secretary say he has serious concerns about election fraud allegations swirling after last month's Afghan presidential vote and David Miliband says a thorough investigation is required. David Miliband (File photo) Even before the A

发表于:2019-02-12 / 阅读(205) / 评论(0) 分类 VOA标准英语2009年(九月)

In Ghana, election officials are counting the votes from Sunday's elections and unofficial returns show that with more than one-third of the constituencies tabulated, two leading candidates are in a tight race for the presidency. 加纳的选举官员正

发表于:2019-02-14 / 阅读(225) / 评论(0) 分类 VOA双语新闻 2008年12月

Obama, Romney exchange barbs as jobs number improves WASHINGTON, Oct. 5 (Xinhua) -- U.S. President Barack Obama and his Republican challenger Mitt Romney intensified attacks against each other on Friday, as they reacted to a newly improved jobs numbe

发表于:2019-02-18 / 阅读(206) / 评论(0) 分类 英语新闻

Wood, Stone, Steel, Glass 木材,石头,钢铁,玻璃 On May 19, 2001, the first Apple store opened in Tyson's Corner, Virginia, 2001年5月19日,第一家苹果零售店在弗吉尼亚州的泰森角开业了。 with gleaming white counters,

发表于:2019-02-19 / 阅读(228) / 评论(0) 分类 乔布斯传
学英语单词
acoustic input impedance
acquiesence
arteria alveolaris superior
assoilzying
ataraxia
Ban Karaket
bathyscapes
bring someone's heart into his mouth
camarena
car load rate
cellulartherapy
character oriented record
clear sky antenna temperature
cocu
container hold
copper monoxide
corncockle poisoning
council of state government
cuadro flamenco (spain)
dentate arch
deutsche mark
differential protective system
Dilafurane
distal angles
done-up
duplex equipment
electric magnetic chirculation
electron-collection counter
flannel flowers
floor model
frame alignment word
fuchsinophilia
gear grease
gerbs
Graphics Interchange Format
gravel reg
gweicurculactone
heme oxygenase
hot group
human capital
in-feed centerless grinding
inferior concha
intermediate cases
iris nozzle
jib cylinder
KALVELIS
klieg-light
kufuor
Lanslebourg-Mont-Cenis
law of intensity
lechery
Liriope platyphylia Wang et Tang
living expenses
malfi
Mecumbura
mid-ocean valley
monitor data
newtonion liquid
non rust steel
nonce
obturation of root canal
open-air marketplaces
para-tert-butyphenol,butylphen
pararenal fat,Corpus adiposum pararenale
phi mean diameter
planned out
plastic flow curve
polytomy
prabhakarans
preliminary traverse
priori
puccinia caricis-urelytra
qs/qt
radus
ramus suprascapularis n. lat. metaot.
re-composition
reference rounds
renees
reservation
rheinlaender
s.o.s.
San Francisco de Paula
sangraal
school district consoildation
she-asses
SIBC
single plan of standard cost
soft corn
space-group symbol
suborbital fossae
sulcus muscularis tibia
sulfatidate
supergene ore mineral
taper tap
teletype exchange
tentaculozoid
tourist offices
unmantle
victitation
wrinkle your nose
x-ray crystallograph
xanthoerythrodermia