随机取样试验

Test 1 Part A Conversation 1: W: Cathy has the habit of keeping us waiting for over 30 minutes. Maybe either you or I should give her a ring before each meeting. M: That's really a nuisance, but I'll do it if you want. Q: What will the man probably d

发表于:2018-12-04 / 阅读(75) / 评论(0) 分类 全新版大学英语听说教程第三册

JEFFREY BROWN: And finally tonight, putting a price on the value of good teachers. A large and new study addresses just that. Ray Suarez has the story. RAY SUAREZ: The debate over testing in schools, and whether students' scores adequately reflect a

发表于:2018-12-05 / 阅读(90) / 评论(0) 分类 PBS访谈教育系列

by Michael W. Flynn First, a disclaimer: Although I am an attorney, the legal information in this podcast is not intended to be a substitute for seeking personalized legal advice from an attorney licensed to practice in your jurisdiction. Further, I

发表于:2018-12-11 / 阅读(104) / 评论(0) 分类 法律英语 Legal Lad

Cambridge 7 TEST 4 1. large numbers of=tens of thousands of=many 大量的2. large=massive=huge=enormous=vast 巨大的 adj. 3. resemble=look like=alike=much the same=akin to 相像 v. 4. foe=enemy=adversary=hostile 敌人 n. 5. more than=exceed=over

发表于:2018-12-18 / 阅读(104) / 评论(0) 分类 雅思英语

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(169) / 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(168) / 评论(0) 分类 财会英语

This is Scientific Americans 60-Second Science. Im Steve Mirsky. Got a minute? Ever been woken up by the sound of the refrigerator compressor kicking on? Well, such clumsy heat exchange units featuring long metal coils may be on their way out. Becaus

发表于:2019-01-08 / 阅读(131) / 评论(0) 分类 Scientific American(八)月

Understanding of English Improves Worldwide 全世界范围内英语理解能力增强 The worlds understanding of English appears to be getting better. The private education company EF recently released a report called English Proficiency Index. The

发表于:2019-01-12 / 阅读(160) / 评论(0) 分类 2014年VOA慢速英语(十二)月

By Phil Mercer Sydney 02 October 2007 Australian refugee groups have criticized tests that require people to answer questions about the nation's history and culture to qualify to become a citizen. Critics believe the new measures will discriminate ag

发表于:2019-01-16 / 阅读(138) / 评论(0) 分类 2007年VOA常速英语(十月)

I knew the answer to that question! I just couldnt remember it for the test! 我记得这个问题的答案,只是在测试中想不起来! Have you ever left an exam feeling this way? Its a common problem that students encounter, and the problem r

发表于:2019-01-18 / 阅读(88) / 评论(0) 分类 英文语法词汇

Smartphones have plenty of added functions and applications for savvy users to explore. But how well do you make use of your smart phone? Recently many people have been taking part in an online test designed to test their smartphone proficiency, and

发表于:2019-01-19 / 阅读(99) / 评论(0) 分类 世界各地新闻集锦

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(103) / 评论(0) 分类 天天商务口语

发表于:2019-02-01 / 阅读(144) / 评论(0) 分类 财会英语

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(118) / 评论(0) 分类 英语每日一词

By Phil Mercer Sydney 02 January 2008 Australia's new left-of-center Labor government says it will review a controversial citizenship test. Some people are critical of the test's high rate of failure by applicants, who are quizzed about Australian hi

发表于:2019-02-07 / 阅读(84) / 评论(0) 分类 VOA标准英语2008年(一月)

People who think about language talk about how the sounds of words bear no relation to objects in the world. Indeed, this has been a leading assumption in much of modern literary criticism, philosophy, and even linguistics. Not necessarily so, says B

发表于:2019-02-15 / 阅读(89) / 评论(0) 分类 英语时差8,16

Mr Thaler, an American born in New Jersey in 1945, spent most of his early career at Cornell University before moving to the University of Chicago in 1995. 赛勒,这位1945年出生在新泽西州的美国人,在1995年转投芝加哥大学之前,

发表于:2019-02-17 / 阅读(124) / 评论(0) 分类 经济学人财经系列

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(114) / 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(130) / 评论(0) 分类 实用英语

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(124) / 评论(0) 分类 英语口译
学英语单词
acroterion
Alcaligenes
amplifier bandwidth
arteriae nutricia humeri
bast soap
BAT-ANTIGEN
blepharitides
bristlinesses
Carbon Reduction Commitment
cestuan
champi
Chikenge
colon editing
colour matrix circuit
constrained lens
copalchi
cordylines
core pneumonia
crew's quarters
crouched position
dark-orange
dejection rock
delinquenent juvenile
dissociaty
Entsi
exchangeable calcium
fathogram
feeder fish
fibularia acuta
floured
frequency dependence
gamagarite
gelatin silk
genus Lagopus
gisha
grandship
gyroklystron
Halog
hearty meal
ink essence
instructions for train operation at station
irrita
irrotational vibrations
isoforms
jujuys
laternula boschasina
Lehrjahre
lightning acceleration
Lime-series
limitans posterior laminae
long-standing
M.Phil.
mabby
magisterial ineptitude
many reserve system
Marapendi, L.de
measurement of venous pressure
mellapak column
micro-drying tube
morant
N-methylglycine
Ndjo
next in first out
normalizing
Nyika Plateau
oil of savin
over-neat
oxherd
padwals
pan head bolt
PIOC
Pope's Pear
provide a car with radio
quotation record
repair coverage
resin poison
resolving voltage
resource accounting
scrunched up
season breeder
secondary sexual character
Sheykh Hoseynlu
small ship point defense surface missile system
sport massage
suspension roll geometry effect
Sutter's Mill
tactile stimuli
transierd
turret emplacement
UHF wired TV
uk pro
universal seam welder
unwhited
vagitus vaginalis
vertical scanning generator
video tape cassette
votes for
vulcan
water quenching tank
weterly
white balsam
yelow