James-Stein估计量不可容性

BOB DOUGHTY: And Im Bob Doughty. Many boys and girls like science. Some of them go to the Internet to find answers to scientific questions. Today, we will tell about a few science websites for children. (MUSIC) FAITH LAPIDUS: Millions of children aro

发表于:2018-11-27 / 阅读(350) / 评论(0) 分类 2010年VOA慢速英语(十二)月

by Jason Marshall Sometimes statistics* seems magical. Of course, there isnt really anything magical going onbut the fact that statistical methods can be used to pull useful information out of a hatful of messy data is, at a minimum, remarkable. And,

发表于:2018-12-07 / 阅读(133) / 评论(0) 分类 数学英语

Analyst: After ICC Ruling, Kenya Must Accept Hague Trials A legal analyst says Kenya has no choice but to continue with the International Criminal Court trials now that judges have rejected the country's attempt to stop proceedings at The Hague. Late

发表于:2018-12-16 / 阅读(104) / 评论(0) 分类 VOA标准英语2011年(六月)

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. Every year, scores of manatees are killed by boats in Floridas waters. Their plight is an ecological concern. And everyone from marine biologists to Marg

发表于:2019-01-08 / 阅读(122) / 评论(0) 分类 Scientific American(十一)月

This is Scientific American's 60-Second Science. Hi, Steve Mirsky. Here, I'm going over our usual one minute today. By now you've probably heard of Expelled, the new Ben Stein anti-evolution crocumentary. It officially opens today, as I speak that's

发表于:2019-01-08 / 阅读(121) / 评论(0) 分类 Scientific American(四)月

Americans Turn to AIDS Drugs to Prevent HIV Infection New research in Africa confirms that a once-a-day pill, used to treat patients infected with the virus which causes AIDS, also works to prevent HIV infection in healthy people. For 20-year-old New

发表于:2019-01-13 / 阅读(109) / 评论(0) 分类 VOA标准英语2011年(七月)

ARI SHAPIRO, HOST: And now we're joined by NPR national justice correspondent Carrie Johnson. Hi, Carrie. CARRIE JOHNSON, BYLINE: Hi, Ari. SHAPIRO: You followed Rosenstein for years since he was the U.S. attorney in Baltimore. Is this account in char

发表于:2019-01-17 / 阅读(186) / 评论(0) 分类 2018年NPR美国国家公共电台9月

AUDIE CORNISH, HOST: Rod Rosenstein is still the deputy attorney general at the Justice Department despite conflicting reports about his fate earlier today. TV cameras recorded him leaving his home for a meeting at the White House. A short while late

发表于:2019-01-17 / 阅读(146) / 评论(0) 分类 2018年NPR美国国家公共电台9月

Finance and Economics;Short-selling litigation;An enlightening mistake; 财经;卖空交易诉讼;一个给人启发的失误; Defence lawyers reveal more than they meant to in a closely watched legal case; 在一个备受关注的法律官司中

发表于:2019-01-27 / 阅读(137) / 评论(0) 分类 经济学人财经系列

GWEN IFILL: Now we return to our weeklong series on the challenges of bringing up baby. We call it Parenting Now. Tonight, we look at how we raise girls in what has become a princess culture. CHILD: I found it. Mommy, I found it. GWEN IFILL: For pare

发表于:2019-01-27 / 阅读(120) / 评论(0) 分类 PBS访谈教育系列

JUDY WOODRUFF:Back in the U.S., the release of the president's budget today touched off a fresh round of debate in Washington about spending priorities. Mr. Obama called on lawmakers to support investments that would help create jobs. But Republicans

发表于:2019-01-27 / 阅读(179) / 评论(0) 分类 PBS访谈商业系列

JEFFREY BROWN:And finally tonight, remembering the popular movie reviewer and television co-host Roger Ebert. He was the first film critic to win the Pulitzer Prize. He died today at age 70. Hari is back with our remembrance. 83.jpg HARI SREENIVASAN:

发表于:2019-01-27 / 阅读(124) / 评论(0) 分类 PBS访谈娱乐系列

Einstein and God 爱因斯坦与上帝 Einstein climbs to the top of Mt. Sinai to get close enough to talk to God. Looking up, he asks the Lord...God, what does a million years mean to you? The Lord replies, A minute. Einstein asks, And what does a m

发表于:2019-01-28 / 阅读(110) / 评论(0) 分类 趣味英语

统计学名词词汇 population 母体 sample 样本 census 普查 sampling 抽样 quantitative 量的 qualitative/categorical 质的 discrete 离散的 continuous 连续的 population parameters 母体参数 sample statistics 样本统计量 descriptive statistics 叙述统计学 infer

发表于:2019-02-03 / 阅读(119) / 评论(0) 分类 英文语法词汇

The low-key Dougan is being paid $17.9 million for his work in 2009, a reward for returning the company to profitability. That makes him the world's second-highest paid banker this year, according to Deal Journal's calculations. The world's biggest b

发表于:2019-02-05 / 阅读(153) / 评论(0) 分类 实用英语

统计学名词英语单词 population 母体 sample 样本 census 普查 sampling 抽样 quantitative 量的 qualitative/categorical 质的 discrete 离散的 continuous 连续的 population parameters 母体参数 sample statistics 样本统计量 descriptive statistics 叙述统计学 i

发表于:2019-02-06 / 阅读(179) / 评论(0) 分类 英文语法词汇

Finding a date for Prom can be a stressful experience for many. Just ask Sam Steingard. 对许多人来说,找一个毕业舞会的伴儿可能是一次压力满满的体验。那正好问问Sam Steingard吧! With the big date drawing ever nearer,

发表于:2019-02-07 / 阅读(104) / 评论(0) 分类 英语新闻

Finding a date for Prom can be a stressful experience for many. Just ask Sam Steingard. 对许多人来说,找一个毕业舞会的伴儿可能是一次压力满满的体验。那正好问问Sam Steingard吧! With the big date drawing ever nearer

发表于:2019-02-07 / 阅读(128) / 评论(0) 分类 阅读空间

CHEERS greeted Barack Obamas hiring of Cass Sunstein away from the University of Chicago. Mr Sunstein, a lawyer, now head of the Office of Information and Regulatory Affairs, is in charge of lifting the heavy hand of regulation from Americas economy.

发表于:2019-02-17 / 阅读(106) / 评论(0) 分类 经济学人综合

left-skewed 左偏 negative-skewed 负偏 right-skewed 右偏 positive-skewed 正偏 contingency table 列联表 sampling distribution (of a statistic)(某个统计量的) 抽样分布point estimate 点估计值 point estimator 点估计式 unbiased

发表于:2019-02-18 / 阅读(129) / 评论(0) 分类 英语口译
学英语单词
-mere
a goodwill visit
addressing bow
alveolar artery
armoured scale
assembly line flow process
average control
bale buncher
bertel
bindingnesses
Bipont
Blastocladiales
block busting
bolt forging machine
bourreau
carbon monoxide laser
carmarthen b.
cartographic document
cast coated paper
cenereous
chart of attributes
codebtors
consequent lake
constant volume change
coversion program
cross compound air compressor
cyanide treatment
de-lead
decs
dhea-s
diametral plane of a sphere
dictoglosses
Doppellendigkeit
double conunterpoint
firm-flesheds
fish factory ship
fishery ice
flood plain lobe
flying out
frothing collector
gauss iteration
gennaker, genniker
genus petasitess
granuloma of middle ear
heating load diagram
heron
high tv band
hirnantite
input oriented budgeting
isopotential point
isoschizomers
joining ratio
Kamiyaku
last item
leaking rate of containment
lo fi
make a big find
mastiff bats
mesodermic teloblast
multidefined case label
multiple-product cost system
non-freezable lubricating oil
non-significant anomaly
nonstereoscopic
olola
on-off information
ornithonyssus brazdiensis
Papin's digester
parvolines
preambivalently
puttiless
rear-delivery apron
recess phase
rightifying
Rimactan
RKO Radio Pictures, Inc.
russkii
salam'
security room
series of machine
sheer determination
shroad
silt concentration
single-carrier f-m recording
skatlogic
STEPR
substantial connection
Surface RT
tetrahydrolinalool
time translation
TMIS
transcription attenuation
Trichomycteres
two-dimensional triangular element
U-19718
vertical composition
vessel's arrival and departure report
wakata
whispery
whitston
zirconated tungsten