随机变量的独立性

Independence Isn't independence fun, Jack? Tessa asked her dog, as they strolled alongside the highway. Jack, a loyal German shepherd, wagged his tail in agreement. Tessa grinned at the rising sun. In the distance, a lonely man was hoisting cargoes w

发表于:2018-12-07 / 阅读(212) / 评论(0) 分类 世界上最伟大的演讲

Iraqi Kurdish leader Masoud Barzani claimed victory in the referendum vote for independence and called for a dialogue with the Iraqi government. In a televised address, Barzani said negotiations are the right path to solve the problems, not threats o

发表于:2018-12-07 / 阅读(81) / 评论(0) 分类 2017年VOA慢速英语(九)月

Iraqi Kurds offered on Wednesday to suspend the results of an independence vote and to start talks with the government in Baghdad. However, an Iraqi military spokesman suggested that, regardless of talks, an offensive would continue to capture territ

发表于:2018-12-08 / 阅读(94) / 评论(0) 分类 2017年VOA慢速英语(十)月

Today, the United States of America celebrates its birthday. It is a commemoration of the day in 1776 when representatives of the 13 British colonies signed the Declaration of Independence, a separation from Great Britain. There were many complex rea

发表于:2018-12-08 / 阅读(83) / 评论(0) 分类 VOA标准英语2018年(七月)

Independence Day in the United States is also known as the Fourth of July. It is a national holiday that commemorates the Declaration of Independence on July 4, 1776. This was the day the USA was born and became independent from Great Britain. The te

发表于:2018-12-29 / 阅读(66) / 评论(0) 分类 英语课程学习计划和讲义

This is Whats Trending Today. Every July 4th, Americans celebrate the signing of the Declaration of Independence in 1776. The document expressed the desire of the American colonies to separate from Great Britain. It contains about 1,300 words. On the

发表于:2019-01-02 / 阅读(97) / 评论(0) 分类 2017年VOA慢速英语(七)月

Pro-independence parties have won a majority of parliamentary seats in the northern Spanish area of Catalonia. The results are a victory for supporters of the movement to break away from Spain. However, pro-independence parties won just two seats abo

发表于:2019-01-03 / 阅读(187) / 评论(0) 分类 2017年VOA慢速英语(十二)月

This is the VOA Special English Economics Report. Economists usually study markets. Now, two Americans have won the Nobel Prize in economics for not studying markets. They will share almost one and a half million dollars for their analysis of econom

发表于:2019-01-11 / 阅读(135) / 评论(0) 分类 VOA慢速英语2009年(十)月

Supervised Independence Ends in Kosovo As international and local authorities marked the end of the supervised portion of Kosovos independence - the ceremony put the countrys government largely in charge of its own affairs. Daniel Serwer, at Johns Ho

发表于:2019-01-13 / 阅读(111) / 评论(0) 分类 VOA标准英语2012年(九月)

One of the interesting diversions related to the nomination of Alaska Governor Sarah Palin as the Republican vice-presidential candidate is the revelation that she had been sympathetic to, and possibly even involved in, a secessionist, or independen

发表于:2019-01-26 / 阅读(125) / 评论(0) 分类 VOA标准英语2008年(九月)

By Sabina Castelfranco Rome 18 February 2008 Celebrations are being held in Kosovo after the parliament declared independence from Serbia. But Serbia and Russia reacted immediately to what they consider an illegal act backed by the international comm

发表于:2019-01-26 / 阅读(117) / 评论(0) 分类 VOA常速英语2008年(二月)

New Delhi 21 August 2007 A man dressed as a Santa Claus distributes food to poor people, in Gauhati, India (File) India this month celebrates 60 years of independence, and many have paid tribute to a growing economy that has begun to make a mark arou

发表于:2019-01-26 / 阅读(159) / 评论(0) 分类 2007年VOA标准英语(八月)

今天我们要学的词是random。 Random, 是随机、任意的意思。The firefighters have to undergo a random drug test once a year, 消防队员每年要接受一次是否服用毒品的抽查。The boxer refused to submit random blood tests

发表于:2019-02-03 / 阅读(114) / 评论(0) 分类 英语每日一词

Independence Day is the national holiday of the United States of America commemorating the signing of the Declaration of Independence by the Continental Congress on July 4, 1776, in Philadelphia, Pennsylvania. At the time of the signing the US consis

发表于:2019-02-05 / 阅读(88) / 评论(0) 分类 阅读空间

JUBA, July 9 (Xinhua) -- The Republic of South Sudan declared independence Saturday, waiting to be recognized as the 193rd member of the United Nations and hoping to keep peace with the north after decades of war. Speaker of South Sudan Legislative A

发表于:2019-02-09 / 阅读(117) / 评论(0) 分类 英语新闻

Milllions of people across the United States have celebrated Independence Day by watching fireworks displays. Hundreds of thousands braved record heat in Washington for the annual July 4th concert and fireworks. Fireworks lit the skies over hallowed

发表于:2019-02-13 / 阅读(85) / 评论(0) 分类 英语新闻

PARIS, France Algeria is kicking off its 50th anniversary of independence from France Thursday with a series of year-long celebrations. But many Algerians and French are marking the event with mixed emotions. Algeria's 50th independence anniversary b

发表于:2019-02-18 / 阅读(101) / 评论(0) 分类 英语新闻

Britain has set out conditions under which Scotland can decide whether to sever centuries-old constitutional ties with Britain. The British government said Tuesday it will remove legal hurdles so Scots can hold a referendum on gaining independence fr

发表于:2019-02-18 / 阅读(112) / 评论(0) 分类 英语新闻

From the far reaches of Alaska to the Gulf coast, Americans on Wednesday will celebrate Independence Day - the 236th anniversary of the Declaration of Independence from British rule. Tens of millions of small-town Americans and city dwellers alike wi

发表于:2019-02-19 / 阅读(155) / 评论(0) 分类 英语新闻

Tens of thousands of Zimbabweans have gathered in the National Sports Stadium where celebrations have taken place to mark the 38th anniversary of the country's Independence. CRI's Gao Junya has the details from Harare. The 60-thousand seat National S

发表于:2019-02-22 / 阅读(139) / 评论(0) 分类 2018CRI中国国际广播电台
学英语单词
a hell of a
actecs
Al Qādisīyah, Liwā'
all day
alpha-glucans
amalgam catcher
American Academy of Forensic Sciences
atlantic bonitoes
built-up rim
by bidder
cannale
car tyre deflated
cerapachys longitarsus
Chikula
christen
coeder
colanguages
common louse
cry(o)-
cryptococcal meningitis
dark ray
diagonal voltage bridge
dihydrouracil
do as one wishes
electrical clock receptacle
entry of goods outward
even parity
fasciculi mamillotendinei (mm. dorsi)
fire -fighting equipment
fixed steady
geohydrologic unit
giler
health-policy
hiam
HiNIL
holarrhessimine
homoaconitase
intermediate cooling circuit
iron overloads
jennerize
kaubs
Knights of Labor
Lambertian distribution
laudabilities
lesser pelvis
letterpaper
link capacity
liquor kalii arsenitis
lower one's sail
lunar module pilot (lmp)
margin after exercise
marking of drill pipe
meliboeus shimomurai
microslide
mobile-hearth furnace
Mosgovoyia
mutual trust
mwethya
naphthous
national opera
network-ready
nndp
noctilucin
non-metallic whisker
obradovich
off-line euqipment
op-amp
phasm
pleinair
plumb derrick truck
presheaf
pretas
reddish brown soil
relative deformation gradient
residualisms
rotato-
rough-axed brick
Sangmélima
sanguinary
scorchio
simply connected
somaticizes
sound cage
squibbers
Stink-Weed
tall men
tectonic history
theory of connection
to make a fast buck
to the best of
trunk roads
two way sulky plow
typhuss
unfree variation
unwarrantability
Ust'-Borzya
visible oil flow gauge
water-treatments
wharel
wig trees
wilkins micawbers