[计] 形式数学定义

Prices determine how resources are to be used. They are also the means by which products and services that are in limited supply are rationed among buyers. The price system of the United States is a c

发表于:2018-12-01 / 阅读(191) / 评论(0) 分类 新东方背诵文选

Judy is looking for something nice to wear for a job interview. She wants to wear something formal. Unfortunately, she doesn't have anything except casual clothes. Judy is worried. She has nothing sui

发表于:2018-12-08 / 阅读(313) / 评论(0) 分类 赖世雄初级美国英语

The Mathematical Bridge 没有铆钉的数学轿 The Mathematical Bridge was built in 1749 by James Essex the Younger to the design of William Etheridge. It had subsequently been rebuilt to the same design in 1866 and 1905. 数学桥是1749年詹姆斯

发表于:2018-12-18 / 阅读(74) / 评论(0) 分类 走进剑桥大学

Pi Day is on March 14. This is the day when mathematicians and geometry enthusiasts around the world get together and celebrate the mathematical constant of Pi. There are two good reasons to hold Pi Day on March 14. The first is that in the American

发表于:2018-12-29 / 阅读(57) / 评论(0) 分类 世界节假日博览

Broadcast: May 16, 2003 By George Grow This is the VOA Special English Environment Report. Scientists in the United States have developed a computer program that they say could provide an early warnin

发表于:2019-01-02 / 阅读(86) / 评论(0) 分类 VOA2003(上)-科技导航

By Carol Pearson Washington 05 May 2008 High definition TV provides sharper images, but high definition imaging now goes beyond television. VOA's Carol Pearson reports on high definition eye glasses.

发表于:2019-01-07 / 阅读(116) / 评论(0) 分类 VOA标准英语2008年(五月)

[00:00.00]5 We all have genius within us [00:04.35]For years,scientists have speculated [00:06.66]that the talents possessed by [00:08.13]so-calledidiots savants- [00:10.46]as depicted by Dustin Hoffman in the film [00:12.97]Rain Man-may be accessibl

发表于:2019-01-10 / 阅读(230) / 评论(0) 分类 北师大版高中英语模块10(选修)

Brandy--Definition I dropped all that baggage Let go of that habit The pain you can have it Now Im content with me Im lovin this kid And I gotta admit Feels like the beginning Now Im content with me It's hard to explain it Been through it, you name i

发表于:2019-01-10 / 阅读(102) / 评论(0) 分类 E乐吧

This is the VOA Special English Education Report. John Wooden died last Friday at the age of ninety-nine. He was one of the greatest twentieth-century Americans in sports. He was an excellent college basketball player. He led Purdue University to a n

发表于:2019-01-11 / 阅读(93) / 评论(0) 分类 2010年VOA慢速英语(六)月

By Mil Arcega Washington 21 February 2008 Japan's Toshiba Corporation effectively ended the format war over the next-generation DVD players after announcing this week that it would no longer manufacture HD DVD players and recorders. The announcement

发表于:2019-01-11 / 阅读(92) / 评论(0) 分类 VOA常速英语2008年(二月)

This is the VOA Special English Health Report. Governments, businesses and other groups have promised to add three billion dollars to the fight against malaria. The promises came last week at a meeting at the United Nations in New York. The money wi

发表于:2019-01-11 / 阅读(114) / 评论(0) 分类 VOA慢速英语2008(十)月

听力题目: 7. (A). Alex did fine in calculus. (B). Calculus was hard for Alex. (C). Alex had trouble getting to math class. (D). It used to be difficult for Alex to find us. 8. (A). Why is California so popular? (B). California is my favorite st

发表于:2019-01-18 / 阅读(137) / 评论(0) 分类 托福听力单句训练

1. What college are you attending? 2. What are you majoring in? /What's your major? 3. What grade /class〖年级和班级〗are you in? 4. What school did you go to? /Where do you go to school? 5. How many courses are you taking this semester? 6. I'

发表于:2019-01-21 / 阅读(254) / 评论(0) 分类 天天商务口语

[00:00.00]Listening Comprehension (20 minutes) [00:-1.00]Section A [00:-2.00]Directions:In this section,you will hear 10 short conversations.At the end of each conversation,a question will be asked about what was said.Both the conversation and the qu

发表于:2019-01-25 / 阅读(153) / 评论(0) 分类 英语六级听力练习集锦

The Medical Sciences Division is the largest academic division in the University of Oxford, and also an internationally renowned centre for biomedical and clinical teaching and research. 医学部是牛津大学最大的学部,也是一个国际知名

发表于:2019-01-29 / 阅读(91) / 评论(0) 分类 走进牛津大学

EDUCATION REPORT - Intel Science Talent Search Winners AnnouncedBy Nancy Steinbach Broadcast: Thursday, March 23, 2006 I'm Steve Ember with the VOA Special English Education Report. An eighteen-year-o

发表于:2019-01-30 / 阅读(107) / 评论(0) 分类 2006年慢速英语(三)月

You might not think that mathematicians have anything particularly relevant to say about your love life. But you'd be wrong--if we're talking about James Murray, a mathematician at the University of Washington in Seattle who teamed up with Psychologi

发表于:2019-01-31 / 阅读(119) / 评论(0) 分类 英语杂谈

结石怎么说 如果说,calculus(微积分)还有一层含义,即表示日常最令人痛之欲绝的结石,您会不会很很惊异?calculus(微积分)和calculus(结石)之间从词源上讲有无联系呢?今天的词海拾贝

发表于:2019-02-07 / 阅读(96) / 评论(0) 分类 英语口语

歌词: Do you notice all the gravity's left us The rules seem different this time Are we turning upside down To a new definition of the human kind I hear a word and its meaning will differ And there is sand in our eyes We are turning upside down K

发表于:2019-02-11 / 阅读(92) / 评论(0) 分类 金属

HARI SREENIVASAN: Returning now to the death of Nobel Prize-winning mathematician John Nash. I'm joined by Nash's colleague and friend Robbert Dijkgraaf, director of the Institute for Advanced Study in Princeton, New Jersey. So, first off, my condole

发表于:2019-02-17 / 阅读(98) / 评论(0) 分类 PBS访谈社会系列
学英语单词
accounting organ
affective test
andrew jacksons
angular error of closur
anti-theatrical
approx.
arsepidine
Ban Kao
barium carbonate
base hardwares
Besov space
beyond conception
biles
briefing officer
brush latch opener
bucket valve
Chandragiri
clare of assisi
coal plough
Cord-measure
cosine wave
coulostatic analysis
creviced rock
derian
dithioacetals
Djorf Torba, Barrage de
dry specific gravity separation
education mode
elymoclavine
epistriatum
equisatisfiable
Eremopoa songarica
eriodictyol-L-rhamnoside
exrx
extreme sea
F band
focus coil axis
fritschinellaxanthin
fungiproof
gas-scattering loss
genus helicteress
grand stave
Granvin
hemolysoid
hesse normal form
heterogeneous circuit
hexagonal brass rod
Hindenburg, Paul von
holddown nut
hurdle type washer
hyperthermalgesia
ice cream scoop
infra-umbilical
Kiyāt
long-held
Loran fix
Lorentzian
mallotophenone
manhole door
manufactery
masons
melisandes
myosalpingeal
myrsen
notes dishonoured
oceanliner
over-vote
owenby
Pentacin
photo-electric theodolite
physical input/output control system
physiological electronic oscilloscope
puker
puppetless
quality of commodity
resignals
reverse-current circuit breaker
revolving divider
Rhean
rib flange
ride the beam
road sweeper
Rosa pinnatisepala
same sequence
Sazdy
scientific-progress
screech owl
second controller
semiter
shufflin
Slioch
slot plug
soft copy
Super Bowl Indicator
tabular U-ore body
tax-resistances
toilet-papers
took precautions against
torque test machine adapter
tunguses
you set me up
zipax