分层多级抽样

今天我们要学的词组是set the stage。 Set the stage的意思是为某件事做好准备,提供条件。比如,希拉里.克林顿06年再次当选参议员,为她08年竞选总统提供了条件 -- The reelection set stage for her pres

发表于:2018-12-30 / 阅读(171) / 评论(0) 分类 英语每日一词

Unit 39 Multigenerational Families in America Today, there are almost four million American multigenerational households (three or more generations living together) according to the new census data. Most multigenerational families fall into one of tw

发表于:2018-12-30 / 阅读(174) / 评论(0) 分类 英语流行话题阅读:语境识词4500

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(205) / 评论(0) 分类 商务英语必备1000字

听广告学英语:RICHON Aficio Digital Multi-function System理光数码多功能系统 原文:Mary:Everybody calls me a multi-function secretary. One of her bosses (gives her a pad of paper):Mary, pick up this. Mary:Because I have to serve several bosses. Anothe

发表于:2019-01-02 / 阅读(271) / 评论(0) 分类 听广告学英语

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(198) / 评论(0) 分类 财会英语

CAIRO, Dec. 15 (Xinhua) -- The first stage of the referendum of Egypt's draft constitution ended Saturday night at 11:00 p.m. local time (2100 GMT). Due to the high turnout, the closing time of the referendum was extended from 7:00 p.m. local time (1

发表于:2019-01-08 / 阅读(152) / 评论(0) 分类 英语新闻

Multi-Site Megachurches Multiply in America Many young Evangelical Protestant Christians shun the expansive form of worship that drew their parents to so-called megachurches and opt instead for a more intimate religious experience. But one congregati

发表于:2019-01-14 / 阅读(194) / 评论(0) 分类 VOA标准英语2011年(十月)

嫦娥二号 Chang'e-2(moon probe) 神舟七号 Shenzhou VII (spacecraft) 载人飞船 manned spaceship/ spacecraft 载人航天 manned space flight 多人多天太空飞行 multi-manned and multi-day space flight 载人航天计划 manned space

发表于:2019-01-17 / 阅读(133) / 评论(0) 分类 阅读空间

有关航空航天英语词汇 神舟七号 Shenzhou VII (spacecraft) 载人飞船 manned spaceship/ spacecraft 载人航天 manned space flight 多人多天太空飞行 multi-manned and multi-day space flight 载人航天计划 manned space program 航

发表于:2019-01-17 / 阅读(156) / 评论(0) 分类 实用英语

The new Race Relations Report 2007 shows that New Zealand is becoming more multi-cultural and we are also feeling more comfortable about immigrants from different ethnic backgrounds. Maoris represent about 15% of the population, Asians nearly 7% and

发表于:2019-01-20 / 阅读(178) / 评论(0) 分类 新西兰英语

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(127) / 评论(0) 分类 天天商务口语

发表于:2019-02-01 / 阅读(180) / 评论(0) 分类 财会英语

low Earth orbit 近地轨道 lunar module 登月舱 lunar rover 月球车 main landing field/ primary landing site 主着陆场 manned space 载人航天计划 manned space flight 载人航天 manned spaceship/ spacecraft 载人飞船 Milky Way 银河系

发表于:2019-02-03 / 阅读(156) / 评论(0) 分类 英文语法词汇

MADRID, Aug. 27 (Xinhua) -- Joaquin Rodriguez won his second stage of this season's Vuelta de Espana (Tour of Spain) cycle race, which finished in the town of el Escorial on Saturday. Rodriguez was the strongest finisher on the steep ramp at the end

发表于:2019-02-08 / 阅读(166) / 评论(0) 分类 英语新闻

The proposal to have physicians practicing at multiple sites in China was conceived in 2009. It's regarded as a progressive move to meet the growing demand for medical treatment in rural areas. But while the idea might be sound in theory, it's expect

发表于:2019-02-09 / 阅读(218) / 评论(0) 分类 cctv9英语新闻2016年

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(139) / 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(166) / 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

Its almost common for a video game nowadays to have several different endings depending on the players choices during gameplay. 眼下,电子游戏厂商们大都会根据玩家喜好在游戏中设置一系列开放式的结局。 Now, these multi

发表于:2019-02-21 / 阅读(194) / 评论(0) 分类 中英双语新闻

The proposal to have physicians practicing at multiple sites in China was conceived in 2009. It's regarded as a progressive move to meet the growing demand for medical treatment in rural areas. But while the idea might be sound in theory, it's expect

发表于:2019-02-25 / 阅读(184) / 评论(0) 分类 cctv9英语新闻2016年
学英语单词
a current account
absolute strabismus
alboll
antibody binding site
Antisanti
Barking Dogs
basis of allocation
batch pellet
be under review
bipack process
bips
bor.
box-on-box type substructure
broken tea
bucket trench digger
callerer
cantilever plate
Centropristis philadelphica
cold-mixed asphaltic concrete
compass card axis
current detector
delta fornicis
demodulating system
demoness
Denakil(Dankali)
depositional sequecne
dermatophilus disease
diffuser casing
distributed operating system
dribble test equipment
ediblest
effective percentage
elastorheodynamic
evening entertainment
experimental fluid mechanics
feed back control
fibrinopurulent
financial-inclusion
fixation bath
forceps base
Forgot password
furnace slag
germanous
grass-roots deposit
Guadarranque
harlequin-snake
height of tractive-effort transmission
hermap-hroditism
humanized design
hydra-headed
hydrolyzed yeast
idle capacity loss
illonas
importance of flare
inbound logistics
inconsumably
jenkinses
karite butter
keep doing
knuckle ball
leucomatous
LeWitt, Sol
logical reason
luminosity of night sky
Makassar
marmezin
mass appeal
merenskyite
metabolic cell
middle entrance
midword
Missouri Botanical Garden
moon letter
Morrison Formation
multifeeler casing caliper
neuendorf
numerical forms file
pan amalgamator
Pangchon
parity check matrix
pawl bitt
people in system development
r-f emission band-width
rated power of wind turbine generator set
regressive supply
resultant field
rock coast
sampling thief
shmily
speed stackings
spiral prominence
state of section
stockboy
superhuge computer
Tessalon
transistorise
trionyx spiniferuss
warm-front fog
welker
wittiful
yiwu
ziesite b