总群抽样

In the 1950s, Jim McFarland's grandmother took him on annual train trips from New York to see relatives in the South. And it's time again for StoryCorps, Americans interview each other. We hear their everyday stories and every week we find out how a

发表于:2018-12-19 / 阅读(115) / 评论(0) 分类 2007年NPR美国国家公共电台

10 A Parent-Teacher Conference GLOSSARY parent-teacher conference a special meeting between a students parentsand teacher when they discuss how well (or poorly) the student is doing in school * At the parent-teacher conference, they found out that th

发表于:2018-12-26 / 阅读(198) / 评论(0) 分类 2010年ESL之日常生活

26 Renting an Apartment GLOSSARY apartment manager a person whose job is to take care of problems in an apartment building, collect the rent, and find peopleto live in the building * When our toilet stopped working, we called the apartment manager. v

发表于:2018-12-26 / 阅读(212) / 评论(0) 分类 2008年ESL之就医和人际交往

[00:01.84]3 Listen and complete. [00:06.70]What have the children done for their project [00:10.30]on population? [00:11.96]Listen and complete their sentences. [00:16.14] [01:04.64]4 Listen and complete. [01:08.78]Listen and fill in the missing info

发表于:2018-12-29 / 阅读(228) / 评论(0) 分类 外研社新标准初中英语九年级

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(203) / 评论(0) 分类 商务英语必备1000字

By Jerilyn Watson Broadcast: October 23, 2003 This is Steve Ember with the VOA Special English Education Report. Six-million people in the United States belong to 1)parent-teacher associations, or PTA

发表于:2019-01-02 / 阅读(137) / 评论(0) 分类 VOA2003(下)-教育与新闻

英语作文 A good parent-children relationship should be set up on the basis mutual understanding and respect. Parents can not impose their ideas on their children. They should treat their children as independent individual. It is advisable for the

发表于:2019-01-03 / 阅读(141) / 评论(0) 分类 英语作文

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(195) / 评论(0) 分类 财会英语

今天我们要学的词是helicopter parent。 Helicopter parent, 直升机父母?没错。Helicopter parents, like a helicopter, they hover closely overhead, rarely out of reach whether their children need them or not, 这些直升机父母,真的

发表于:2019-01-08 / 阅读(104) / 评论(0) 分类 英语单词荟萃

LULU GARCIA-NAVARRO, HOST: Who do we become when we lose a parent? That transformation is at the heart of Zinzi Clemmons' novel What We Lose. The central character, Thandi, grapples with the loss of her mother to cancer, a woman she revered but often

发表于:2019-01-16 / 阅读(133) / 评论(0) 分类 2017年NPR美国国家公共电台7月

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(126) / 评论(0) 分类 天天商务口语

Being a parent is the biggest responsibility we can have in our lives. Its scary if you think about it. You have to look after a tiny baby for years and years. It is your duty to make sure that little baby grows up into a wonderful, happy and respons

发表于:2019-01-21 / 阅读(165) / 评论(0) 分类 纯正英语一分钟

The worlds population is getting bigger and bigger. Theres a population explosion in some countries. Im not sure if this is good or bad. The Earth can only support a limited number of people. One day, the worlds population will be too big to feed eve

发表于:2019-01-21 / 阅读(236) / 评论(0) 分类 纯正英语一分钟

发表于:2019-02-01 / 阅读(177) / 评论(0) 分类 财会英语

论坛热贴:孩子是父母的翻版 在LT论坛上,看到了一个人气巨旺的贴子 -- 如何译孩子是父母的翻版? 看来,大家往往对地道的中文情有独钟!但愿,LT能与您共同探讨出一个较为地道的英文表

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

今天我们要学的词是helicopter parent。 Helicopter parent, 直升机父母?没错。Helicopter parents, like a helicopter, they hover closely overhead, rarely out of reach whether their children need them or not, 这些直升机父母,真的

发表于:2019-02-06 / 阅读(150) / 评论(0) 分类 英语每日一词

It is common for adults to use baby talk when interacting with very young children. This way of speaking attempts to copy the sounds babies make when they first try to talk. But is this form of communication helpful to a childs development? Several s

发表于:2019-02-17 / 阅读(173) / 评论(0) 分类 2019年VOA慢速英语(一)月

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(138) / 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(165) / 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(153) / 评论(0) 分类 英语口译
学英语单词
Albadaria
anidiomatical
apical gland
area of service
auto navigator
autochromosome
automatic frequency control(afc)
babbs
Basil Of Ancyra
bioreadings
blue bugle
breathe life into
carrier's note
chimpiness
columnae intermediolateralis
complex number field
coupler centering device
creater of tax shield
creeps into
curvilinear correlation
dart player
depletes
dissection tubercle
DMPL
dovetail angle
draught-bridge
effective diameter
engage relay
facsimile baseband
fall-offs
fase corrdinate
Fryup
gametoecium
gartner's canal duct
generic declaration
Great Sugar Loaf
hard-bakeds
holomorphological
hull proper
hypomineralization
infrapubic
isoligustroside
ivoroids
Juliustown
leptoquarks
lid-fold
lifting disk
liquidation or bankruptcy proceedings
management expenses
market bull
mastoid suction tube
Mezguitem
microconidia
midwive
minimetropolis
mobile service satellite comunication
most and end
Mount Magnet
mycoplasma-like organism
nylon 6 fibre
overage charge
palop
parallel in serial out
parnass
Pathfinder Seamount
Periploca sepium Bunge
phintella versicolor
plane-polarized radiation
Poa tetrantha
pomelo peel in malt sugar
poorest
postal authority
present service index
radiohalodestannylation
railway station telephone
roseal
rubber coating asbestos cloth
scatterer
scrubboard
semi-structured interview
shrub border
sickler
squecgee
stevvon
subgyre
tamp down
tank therapy
terminal mottle
Tischenko's reaction
tonicizations
turbo-chargers
two-stage capturing method
Venzar
vinieron
virtual storefront
Weather-working
weft snarl
welsh onion digger
wire-wound resistor
word plays
xillixes
yiet