负方差估计值

[0-1:59.18]Do you know that the harder thing to do and the right thing to do... 你知不知道:难做的事和应该做的事... [00:04.98]are usually the same thing? 往往是同一件事? [00:07.98]Nothing that has meaning is easy. 凡是有

发表于:2018-12-07 / 阅读(125) / 评论(0) 分类 听电影学英语-天气预报员

[00:06.86]We'll let you know. 我们会通知你的 [00:26.98]-Russ is here. -Okay. -拉斯在这儿 -好 [00:29.74]-Where's Mike? -lnside. -迈克呢? -在里面 [00:38.90]-Dave. -Hi, Russ. -戴维 -嗨,拉斯 [00:39.70]He's upstairs. He's still

发表于:2018-12-07 / 阅读(173) / 评论(0) 分类 听电影学英语-天气预报员

AS IT IS 2016-08-30 Deaths From Lightning Strikes in US at Highest Since 2010 美国死于雷击人数创2010年以来新高 Two people in the United States died over the weekend after they were struck by lightning. 本周,美国有两人被闪电击

发表于:2018-12-08 / 阅读(85) / 评论(0) 分类 2016年VOA慢速英语(八)月

1. antagonize /n'tɡənaɪz/ vt. 对立 The official antagonized the leader of his own party by accusing him of cowardice. 那位官员谴责自己党内的领导人怯懦,与他产生敌对。 2. dissent /dɪ'sent/ vi. 反对 The vote approving th

发表于:2018-12-30 / 阅读(145) / 评论(0) 分类 突破英文词汇

英语四级同形异义词辨析10 第一单元复习 1. Dont this news to the public until we give you the go-ahead A) release B) relieve C) relate D) retain 2. We are interested in the weather because it us so directly what we wear, what we do, an

发表于:2019-01-03 / 阅读(97) / 评论(0) 分类 四六级词汇与结构练习

英语四级同形异义词辨析01 第一单元复习 1. Dont this news to the public until we give you the go-ahead A) release B) relieve C) relate D) retain 2. We are interested in the weather because it us so directly what we wear, what we do, an

发表于:2019-01-03 / 阅读(111) / 评论(0) 分类 四六级词汇与结构练习

This is bigger than the Super Bowl. This is actually bigger than the Olympics. This is really a big deal for Africa, but its also a big deal for the United States. Because you know they really have something to prove. Much of the world sees them real

发表于:2019-01-08 / 阅读(140) / 评论(0) 分类 CNN2010年(六)月

And yet, in spite of that, artificial life support has been successful. Barely a year after the bankruptcy of Lehman Brothers, financial markets have stabilized, stock markets have rebounded, and the economy is showing signs recovery. People want to

发表于:2019-01-18 / 阅读(112) / 评论(0) 分类 财富精英励志演讲

英文歌词 Listen baby I wonder why sometimes we fall apart oh yeah Together we are so wonderfull yeah baby And every single day i pray, that really things shouldnt never be this way Im only trynna be a better man Why then do you see all the negative

发表于:2019-01-21 / 阅读(211) / 评论(0) 分类 音乐咖啡厅

I've got one question. 我有个问题 Why am I being fired? 我为什么被解雇了 Ms. Smoke, isn't it? Yes. 你是斯莫克小姐,对吗,是我 And I am without a doubt 我毫无疑问是 the single most valuable member of your technical divi

发表于:2019-01-29 / 阅读(107) / 评论(0) 分类 绿箭侠第一季

By Steve Herman New Delhi 17 August 2007 India was once thought to have the world's highest number of people with HIV -- the virus that causes AIDS. But the estimate was recently reduced by more than half -- down to 2.5 million from 5.7 million. The

发表于:2019-01-30 / 阅读(162) / 评论(0) 分类 2007年VOA标准英语(八月)

By Gary Thomas Washington 17 July 2007 A new U.S. intelligence estimate says al-Qaida remains determined to mount attacks on major targets in the United States, especially if it can acquire weapons of mass destruction. VOA correspondent Gary Thomas r

发表于:2019-01-30 / 阅读(158) / 评论(0) 分类 2007年VOA标准英语(七月)

How to Safeguard Your Income Im a big believer in diversification. Putting all your eggs in one basket is dangerous, especially in your personal finance. Diversification is a good way to reduce your risks. The question is how we should go about diver

发表于:2019-01-31 / 阅读(178) / 评论(0) 分类 阅读空间

The reform of the housing registration, or hukou system, has been under way in most regions in China following the State Council's call to establish a unified household registration system for urban and rural residents in a document issued in 2014. 继

发表于:2019-02-03 / 阅读(93) / 评论(0) 分类 英语新闻

Science and technology 科学技术 HIV and AIDS 人体免疫缺陷病毒和获得性免疫缺陷综合征 Till death do us part 直到死神将我们分开 Putting numbers on infidelity 细数出轨之罪 ONE of the problems of dealing with a sexual

发表于:2019-02-05 / 阅读(127) / 评论(0) 分类 经济学人科技系列

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(162) / 评论(0) 分类 英文语法词汇

1.切忌主客不分或模糊。例子: Deciding to rescind the earlier estimate, our report was updated to include $40,000 for new equipment. 应改为 Deciding to rescind our earlier estimate, we have updated our report to include $40,

发表于:2019-02-06 / 阅读(107) / 评论(0) 分类 英语作文

Todd: So, Eoin, we're talking about you playing this weekend. You're going to play in two cities. What's the set-up like? What's the routine like when you go to a club? Like how soon must you be there? You know, how long do you play, etc.? Eoin: Yeah

发表于:2019-02-06 / 阅读(80) / 评论(0) 分类 原版英语对话1000个

BEIJING, Sept. 6 (Xinhuanet) -- A short-term memory loss may suggest the Alzheimer's disease, according to a new study made by Spanish researchers. The finding was published on Monday, in Archives of General Psychiatry, an American Medical Associatio

发表于:2019-02-07 / 阅读(114) / 评论(0) 分类 英语新闻

我原来曾经给我的一个同学改作文,发现她经常写一些让我感觉哭笑不得的句子。 例如: At the first glance, the argument seems sound, but with a further look, I find it problematic. 前半句是忠实引用,后半

发表于:2019-02-09 / 阅读(131) / 评论(0) 分类 GRE作文
学英语单词
actual existence of the right
ampayr
antinaval
arytaenoid articular surface (or anterior facet)
bald-pate
beam modulation
biblical mythology
burner barrel
Cartelegue
change cash
conservation of orbital symmetry
constriction ring dystocia
Corallodiscus flabellatus
counterpoised poke door
culture shocks
cuproenzymes
deficit for the current
deformation limit
dental ivory
drift lead
drip feed valve
erotylid
ethylthalline
extension phones
extraordinaria judicia
extremely inverse relay
eye secretion and tears
factors of safety
floppy magnetic disk memory
foot per second
free at quay
fuel manipulator crane
genital orifices
go on to do sth
go'n
gormandized
gross income zone
half-tone reading
Hartkjφlen
high explosive
humidity retrieval
hydraulic hitch system with separated units
keller machine
krushchev
Lake Peipus
lap-welding
lime-slag cement
loanee
local elevator
magnetometric titration
main point
Majorian
merp
mnium laevinerve
mountainslope
multienzymatic reaction
multigraded class
normativize
offline
orthogonality theorem
orthonomal model
ouagadougous
pace laps
pay heed to
phase filter synthesis
pipeline equipment
porous graphite
preentry of goods
pressure of competition
principal of freedom of high seas
procurator negotiorum
Pulau Ubin, Sungai
pulmonary siderosis
Płoty
quadrillionfold
railway crane
reboot
recrystalization
remote-control command
rough cost
rutzick
saprophytic root
saturated diode valve
solar heating system
spousehead
squawled
sublayers
Tankhala
temperature difference between ... and...
tetraborate
the stretch
three bearing pinion
throw of crank
tomato omelet
tow-levels
trade war fears
tutie
ultrasonic cleaning set
unaffections
underbreaks
will contract
wipe off