平方误差渐近有效估计量

Four Efficient Ways to Improve Your Speech Use More Facial Expression One psychologist feels that our facial expression is responsible more than anything else for the impression others have of us. In

发表于:2018-11-28 / 阅读(144) / 评论(0) 分类 疯狂英语2004年

A: Excuse me, Professor. I think there might be an error in my test score. B: Sure. Do you think that the total is wrong or that you got something marked wrong that should have been marked right? A: I think that the percentage is incorrect. B: Let's

发表于:2018-11-30 / 阅读(152) / 评论(0) 分类 英语情景对话-大学生活

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(106) / 评论(0) 分类 数学英语

AS IT IS 2016-02-29 Egypt Says It Sentenced Boy, 4, to Prison in Error The Egyptian military admitted last week it made a mistake when sentencing a 4-year-old boy to prison for life. A mistaken identity and confusion inside the Egyptian court system

发表于:2018-12-08 / 阅读(108) / 评论(0) 分类 2016年VOA慢速英语(二)月

又是一年夏热时,看着考研书,吃着考研餐。终于,有同学说,老天,我又方了。看着大家这么辛苦,跨考考研高老师和大家来分享一下关于方了一些地道的英文表达。 1. Square 方形(最简单的

发表于:2018-12-08 / 阅读(72) / 评论(0) 分类 考研英语

The family and friends and the class of 2006... It's such a pleasure and an honor to be here... On this wonderful day for all of you... I want to join in the chorus of congratulations... Congratulatio

发表于:2018-12-11 / 阅读(88) / 评论(0) 分类 万花筒2006年

Lesson 69 A game of hopscotch Billy: Hullo Liz, hullo Lillie,hullo Sue. Girls: Hullo Billy. Billy: What are you doing? Liz: We're playing hopscotch. Billy: Can I play, too? Girls: All right. Billy: It's my turn. Sue: Throw your stone, Billy. Tom: Lo

发表于:2018-12-19 / 阅读(116) / 评论(0) 分类 朗文3L看听学英语第一册

A: Excuse me, Professor. I think there might be an error in my test score. B: Sure. Do you think that the total is wrong or that you got something marked wrong that should have been marked right? A: I think that the percentage is incorrect. B: Let's

发表于:2018-12-26 / 阅读(138) / 评论(0) 分类 大学生活-College Life

It's my pleasure and honor to introduce to you, Class of 2013, the Woz and only Mr. Steve Wozniak 2013届毕业生们 我非常荣幸地为你们介绍 独一无二的史蒂夫?沃兹尼亚克先生 Thank you. Thank you very much 谢谢你们 非常感

发表于:2018-12-30 / 阅读(52) / 评论(0) 分类 公众人物毕业演讲

badger, ['bdʒə] v 纠缠(一再烦扰,一再要求)=torment=nag=heckle;n 獾(有很厚的灰色皮毛) 【例】Stop badgering me! 别再纠缠我了! 【源】獾是一种象老骑士般维护洞穴而闻名的哺乳动物。这种

发表于:2018-12-30 / 阅读(78) / 评论(0) 分类 不择手段背单词

今天我们要学的词是efficient。 Efficient, 效率高的。最近研究发现, Efficient people don't strive to get everything done perfectly; they only focus on the most important projects, 高效律的人并不把每一件事都做到完美无

发表于:2019-01-07 / 阅读(84) / 评论(0) 分类 英语单词荟萃

NEW YORK, Aug. 30 (Xinhua) -- French Open champion Li Na committed 54 unforced errors and was eliminated in the first round of the U.S. Open by 53rd-ranked teenager Simona Halep on Tuesday. Li, seeded sixth, lost 6-2, 7-5 to Romania's Halep, sufferin

发表于:2019-01-11 / 阅读(127) / 评论(0) 分类 英语新闻

Automakers Marketing More Fuel Efficient, Compact Cars After 15 years on the assembly line, Detroit autoworker Nicole Current is about to become unemployed. I make truck axles, so as the auto industry tries to get away from the larger size vehicles,

发表于:2019-01-13 / 阅读(96) / 评论(0) 分类 VOA标准英语2012年(一月)

李华跟Larry一起去吃晚饭。今天我们要学两个常用语: squared away和temporary fix. LH: Larry, 怎么样,今天上班忙不忙? LL: Oh it was a bit stressful. I had a relatively large report due that I was too busy to start unti

发表于:2019-01-15 / 阅读(74) / 评论(0) 分类 美国之音《流行美语》

1.Round up everyone 召集大家 A: Do we have everybody? B: No, we're still missing a few guys. A: Go and round them up. B: Okay. A:大家都到齐了吗? B:还没有,还缺几个人。 A:去把他们叫来吧。 B:好的。 2.Short notice 晚接到通知 A: Thanks for meeting

发表于:2019-01-21 / 阅读(87) / 评论(0) 分类 天天商务口语

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(89) / 评论(0) 分类 英文语法词汇

并不只有汉语才会把形状变成我好方这类的习语的(这并不是习语好嘛!) 方,square,在英语里的出镜率可是高得惊人呢。 今天,双语君就来盘点一下英语里那些让人方了的表述。 Square 方形 to

发表于:2019-02-04 / 阅读(61) / 评论(0) 分类 英文语法词汇

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(115) / 评论(0) 分类 英文语法词汇

【中文解释】 errorist是指总是犯错却自认为正确的人,错误份子,瞪眼睛说瞎话。 【英文解释】 Someone who repeatedly makes mistakes. Says stuff he believes is true, but anyone with common sense can see he's wrong. A

发表于:2019-02-09 / 阅读(108) / 评论(0) 分类 美国俚语

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(98) / 评论(0) 分类 英语口译
学英语单词
acitvity rating of catalyst
acuductate
angiotensin converting enzyme
angle of winning-block
anti utilitarianism
attenuation of flood wave
aupers
avocettina infans
banzhaf
be advantageous to...
bills committee
BLDSC
boiler shpecific capacity
broad application
Bulbophyllum suavissimum
cacoethics
casehardening stress
cetacean mammals
circulation circuit
code-talkers
comparative biochemistry
continuous casting steel machine
cooling water treatment
DATATRIEVE
desulphurizations
dirichlets
dry batteries
duplex communication centre
EEPP
Eleanor Gwynne
escape someone's remembrance
estimating oil reserves
f.i.t.
ferropy
figueres
finast
foretopgallant
forward echelon
franchize
freeze drier
H-iron process
harrow plough
hematopoietic microenvironment
high purity tellurium
host timed out
human consumption
hybridas
hyperspecialization
hypervagotonia
immediate delivery rate
Indocyanine Green
iodonicotine
Jenghis Khan
kantharos
kirschmer beater
legal-sized fish
lifts-out
limited participation
maricon
median aperture of fourth ventricie
methanol fueled car
minimum possible value
ocobambas
ophiobolin
outways
overornamenting
photo-element
pitch diameter gage
plan type
point melting
polymetal crust
protest of bills
pseudomonocarpous
ran off the rails
rating of fuel
re-inspections
reinforcement prefabrication
requirement of written form
retort pouch food
romesome
rwho
sailing schedule
scarecrow
sexual incontinence
side-tip dumper
slash marks
soil moisture meter
stepped spinning
suralimentation
tetanic convulsions
top of bole
towing posts
triphosphatase
unsupercharged
video noise measuring set
vulcanization accelerator ZBX
wagger a cookie
water of dehydration
wiegand
William Golding
xylaria multiplex
zidlicky