不等概率抽样

Health Report - Unequal Treatment Drives Disability Rights Movement 健康报道 - 不公平待遇推动残疾人权利运动的发展 This is the VOA Special English Health Report. 这里是美国之音慢速英语健康报道。 New estimates show

发表于:2018-12-07 / 阅读(359) / 评论(0) 分类 2011年VOA慢速英语(六)月

模仿文本:So it seems not everyone is sure but do mathematicians agree of whether zero is odd or even? The debate is settled among mathematicians. Mathematicians are agreed that zero is an even number? Zero is an even number, and it will pass ev

发表于:2018-12-28 / 阅读(130) / 评论(0) 分类 英音模仿秀

QC procedure 品管流程 What issues do we need to address to work out new QC procedures? 在制定新品管流程之前,有哪些問題必須先處理? quality standard 品質標準 This year, Metro Factory experienced a noticeable decline in q

发表于:2018-12-31 / 阅读(195) / 评论(0) 分类 商务英语必备1000字

1.audit 审计 2.attestation 鉴证 3.credibility 可信赖程度 4.audit of financial statements 财务报表审计 5.agreed-upon procedures 执行商定程序 6.high levels of assurance 高水平保证 7.compilation 编制 8.reliability 可靠性 9

发表于:2019-01-03 / 阅读(189) / 评论(0) 分类 财会英语

英国RB三人女子组合Mis-Teeq*的前主唱Alesha Dixon去年在英国的舞林大赛中最后取胜而炒起的人气依然够旺。多年前,由Alesha Dixon、Su-Elise Nash 以及 Sabrina Washington共同组成的Mis-Teeq,曾是英国首席

发表于:2019-01-10 / 阅读(138) / 评论(0) 分类 天籁音乐

As much as I've been trying to say As much as I appear OK I'm holding on Pretending nothing is wrong There's many things I wanna see But first of all I gotta see me Coz I can't breathe Now that we're over Lifes getting colder Trying so hard to feel t

发表于:2019-01-14 / 阅读(134) / 评论(0) 分类 节奏布鲁斯

In its latest report issued every three years, the WHO Regional Office for Europe has found the average life expectancy at birth among the 900-million people in Europe is 76-years. This is 5 years longer than in 1980. More people are also living past

发表于:2019-01-19 / 阅读(139) / 评论(0) 分类 英闻天下

1.Bending 弯曲 A: What kind of parts do you usually need to bend? B: Tubular parts or stampings. A:什么样的零件一般需要进行弯曲加工? B:管状零件或冲压件。 2.Cycle time 工作周期 A: What is the cycle time of the injection molding machine? B: Three

发表于:2019-01-21 / 阅读(118) / 评论(0) 分类 天天商务口语

Describing Chance and Probability Raul: What are the chances that Rob will be here on time? Tiffany: Id say its fifty- fifty. You never know. He might surprise us and be early. Raul: Fat chance of that happening. Ive known him for three years and if

发表于:2019-01-23 / 阅读(232) / 评论(0) 分类 2013年ESL之日常生活

中文 英文 缩写 捕获/拦截/收集/采集/获取 acquisition 捕捉 capture 捕捉范围 pull-in range 捕捉器 acquirer 不成功扩展后向建立信息消息 Extended Unsuccessful backward

发表于:2019-02-01 / 阅读(215) / 评论(0) 分类 电信英语

发表于:2019-02-01 / 阅读(163) / 评论(0) 分类 财会英语

Boston researchers have developed a supercomputer they claim can predict with 96% probability if a patient is about to die. 波士顿的研究人员发明了一种超级计算机,据说能预测病人是不是快要死亡,准确性高达96%。 Th

发表于:2019-02-01 / 阅读(141) / 评论(0) 分类 阅读空间

Women drivers are more likely to be involved in an accident, according to scientists。 Researchers looked at 6.5million car crashes and found a higher than expected number of accidents between two female drivers。 They also discovered that women ha

发表于:2019-02-07 / 阅读(143) / 评论(0) 分类 实用英语

Topic 1-Campus Delivery Industry Development Report A recent report has revealed that Chinese university students spend on average 11 hundred Yuan on e-commerce. What's more, the better the university is, higher the spending. What does it say about o

发表于:2019-02-15 / 阅读(127) / 评论(0) 分类 英语角-圆桌会议

It's a stat that gets bounced around as e-mail-forward wisdom: men think about sex every seven seconds. Even when the idea lacks this mythical specificity and grandiosity (that's 7,200 times a day!), the idea that men think about sex basically all th

发表于:2019-02-17 / 阅读(133) / 评论(0) 分类 阅读空间

natality 生育 fertility 生育率 fecundity 生育能力 birth rate, natality rate 出生率 births 出生人数 parity 胎次 premature birth 早产 life birth 活产 stillbirth 死产 birth peaks 出生高峰 mortality 死亡 mortality rate 死亡率

发表于:2019-02-18 / 阅读(147) / 评论(0) 分类 实用英语

音乐咖啡厅:Alesha Dixon - Can I Begin 相关介绍:英国RB三人女子组合Mis-Teeq*的前主唱Alesha Dixon去年在英国的舞林大赛中最后取胜而炒起的人气依然够旺。多年前,由Alesha Dixon、Su-Elise Nash 以及 Sabr

发表于:2019-02-18 / 阅读(182) / 评论(0) 分类 音乐咖啡厅

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(146) / 评论(0) 分类 英语口译

college n.大学;学院 Harry studies at an art college in Los Angeles. 哈利在洛杉矶的一家艺术学院就读。 university n.大学 He was admitted to the university of his choice. 他获准进入他理想中的大学。 probable a.很可能

发表于:2019-02-26 / 阅读(219) / 评论(0) 分类 赖世雄进阶英语词汇3500

唐顿庄园第二季第八集_5 [INT. SERVANTS' HALL - EVENING] O'BRIEN I'll sleep on a chair in her room. DR CLARKSON Oh, no. There's no need for that. O'BRIEN I don't mind. [Molesley pulls his head off the table groggily.] MR MOLESLEY What is it?

发表于:2019-03-16 / 阅读(316) / 评论(0) 分类 唐顿庄园第二季
学英语单词
abasedly
accountant's certificate
actuating poles
admiralty method
afikoman
aggregated data
Alcoletge
alkaline marsh
Alsfeld
amanns
barley water
basioccipital bone
battologist
begirdles
blowze
brochus
Brombach
chimney lining
cirsomphalos
contestabile
counterweighted agitator
dactylispa latipennis
day of remuneration
Dayton Accord
depreciation and amortization
depth-type fitlration
destitution
dofetilide
dose-equivalent index
drum cadences
easley
either-or order
Euchresta tubulosa
evolving new high-yield crop varieties
fainter
farming industry
fibrinous inflammation
flask moulding
fractional currency
frequency-modulated broadcast band
half anchor tower
hamay
hepatoglobin
hypogaeous cotyledon
inlet bucket
lethal dose 50/30
liftvalve
limiter circuit
list of exchange rate quotations
location method
magnetic character figure
maitles
male character
Manny
mckellin
Medicine Bow Peak
misagree
motion testing
mus lepidoides
national cemetery
neuburgers
nuclearizes
oblique cut nozzle
oil-tree
output radiation
overexcitation limiter
overstring
Oxford cup
pan-germanisms
Pankhursts
parallelism of multiprocessing
pazazz
proselytizer
pupal cell
rear lens cap
repeated solution
rhipidistias
Ruwenzori
sapientially
sapphyrins
segmental rotor
sine wave signal generator
skeletal coding
slope efficiency
soccer uniform
special-election
Spenitol
standard gauge block
structured decision
subcrystalline
subsist on
tickable
titanium dihydroxide
tocogenetic
transsonic
treestumps
trichromatic diagram
under sail and steam
variant pump
vaticinatric
way in
Wolchulsan