数学期望值

初级公司英语会话Lession3:设备采购 Listen to the dialogue between HaiSports Buyer (HB) and Supplier(s) HB: we need to be receiving deliveries by mid-April realistically. S: if you place an order with us this week, then we can get started. HB: Well ou

发表于:2018-12-05 / 阅读(90) / 评论(0) 分类 初级公司英语会话

初级公司英语会话Lession10:利润成本分析 Listen to the dialogue between the Company president and chairman, P: We beat our profit forecast for the quarter, so weve got to be pleased. C: I agreed, although there are some areas of concern. P: Yes, but w

发表于:2018-12-05 / 阅读(114) / 评论(0) 分类 初级公司英语会话

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(63) / 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(49) / 评论(0) 分类 世界节假日博览

By Jerilyn Watson Broadcast: November 20, 2003 This is Steve Ember with the VOA Special English Education Report. Educational gardens called

发表于:2019-01-02 / 阅读(63) / 评论(0) 分类 VOA2003(下)-教育与新闻

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(72) / 评论(0) 分类 VOA2003(上)-科技导航

76 华盛顿国际数学奥林匹克竞赛 DATE=7-27-2001 TITLE=AMERICAN MOSAIC #828-International Math Olympiad BYLINE=Nancy Steinbach HOST: (Start at 0'54

发表于:2019-01-06 / 阅读(73) / 评论(0) 分类 文化聚焦

[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(216) / 评论(0) 分类 北师大版高中英语模块10(选修)

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(99) / 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(124) / 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(206) / 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(145) / 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(81) / 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(96) / 评论(0) 分类 2006年慢速英语(三)月

EDUCATION REPORT - Teen Taught by Mom Wins Top Science Competition By Nancy Steinbach Broadcast: Thursday, December 15, 2005 I'm Faith Lapidus with the VOA Special English Education Report. A sixteen-

发表于:2019-01-30 / 阅读(179) / 评论(0) 分类 教育与新闻

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(102) / 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(83) / 评论(0) 分类 英语口语

Gabrielle: Hi, Annili! How are you today? Anili: Oh, I'm fine. Gabrielle: Good! Hey, I love your scarf! Anili: Oh, my scarf! Gabrielle: Yeah, where did you get it? Anili: Oh, I bought this scarf in Sydney. Gabrielle: Oh, OK. So, Sidney is your hometo

发表于:2019-02-13 / 阅读(43) / 评论(0) 分类 英语趣味课堂

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(80) / 评论(0) 分类 PBS访谈社会系列

In todays podcast, I am going to talk about the English word mind, and about some expressions which contain the word mind. Your mind means the things which happen inside your head, or inside your brain your thinking, in other words. We can say, for e

发表于:2019-02-19 / 阅读(121) / 评论(0) 分类 听播客学英语
学英语单词
a wigger
advise by teletype
alizarin irisol d
American lawyer
amyrenonol
Armillaria root rot
assembler generator
audit quality
be put to death
best actress
Blackman window
Bothychiaceae
capacity in bales
carburetting oil
cargo transport plane
CERITHIOIDEA
clinochrysotile
Clinoscorodite
colored vision
cyberheist
cycling-load
Dalecarlian
does not exist
Doresopólis
dronkers
e-c
electric marble cutter
elocutionists
Encrinus
Entrange
escaped
faryab
Ferrocalamus
fibre-optics probe
fowe
grey tropical soil
hawking area theorem
high strength epoxy resin
high usage group
horatias
hot runner manifold
house cost
husking property
impeaching
in evil part
interpolation set
jamilla
kopsilongine
laponite
line symmetry
lumped voltage
macropharyngodon meleagris
maitlandite
Management Best Practice
metabolus similis
mini DVD
Mycetozoia
nondiagnostic
northern flying squirrels
open one's eyes
optoelectrical
pneumonedema
polypedilum sauteri
positioning accuracy
preexamines
pseudoantagonist
psychological field
puller nut
pulling effect
pulse modulated oscillator
punch-up sessions
pustular erysipelas
quarter-wave matching section
realtime clock
reinmuth
relative deferred addressing
resin-column
rework costs charged to job
safety against fracture
sanitary work
seen the point
septuagints
sequential pattern
split ranging control
sun bake
talking page
teeny-weeny
territorializing
time of day pricing
Timote
Torino scale
Toro Doum
trigger, edge-
triggerfish
uroteuthis (photololigo) sibogae
watership
wayse
web eyelet
wet lease
widespread metastasis
yellas
Yumbel