un. 统计抽样技术
[网络] 统计取样技术

Transcript This is Scientific American's 60-Second Science, I am Cynthia Graber.This will just take a minute. Physicists at the Brookhaven National Laboratory have been able to send information ahead of particle beams racing at nearly the speed of li

发表于:2018-12-24 / 阅读(230) / 评论(0) 分类 Scientific American(二)月

每期节目一话题,让英语磨练耳朵的同时学到更多有益的小知识,丰富知识的同时受益于生活。 Time-management tips 时间管理技巧 Work around procrastination. 克服拖延症。 Try Francesco Cirillo's Pomodoro Te

发表于:2018-12-27 / 阅读(167) / 评论(0) 分类 英语听力广播—Listening

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(238) / 评论(0) 分类 商务英语必备1000字

If you are like many language students, you might have a problem with procrastination. Perhaps you are slow to do homework or study for a test. Maybe you do not like to study or you become distracted while studying. Whatever the case may be, learning

发表于:2019-01-02 / 阅读(524) / 评论(0) 分类 2017年VOA慢速英语(六)月

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(225) / 评论(0) 分类 财会英语

2. agri 你已认识field是“田地”, 你是否也知agri的意义? 在有关农田的词汇里, field竟都被agri所代替。 agri=field 田地,农田(agri也作agro,agr) 1. agrology agr

发表于:2019-01-06 / 阅读(198) / 评论(0) 分类 英文语法词汇

Vacationing on the island of Oahu, we were waiting in our tour bus for some stragglers to show up. A man, obviously not with our group, approached the bus and was about to board. How would our driver

发表于:2019-01-11 / 阅读(283) / 评论(0) 分类 英汉幽默故事选读

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(162) / 评论(0) 分类 天天商务口语

Science and Technology The Neolithic Boom-time machine 科技 新石器时代 时间机器解密:新石器时代的繁荣期 A new technique lets archaeologists reconstruct the past in greater detail 考古新技术让考古学家们能更加详尽地重

发表于:2019-01-26 / 阅读(217) / 评论(0) 分类 经济学人科技系列

By Carol Pearson Washington 08 January 2008 New technology makes surgery safer, shortens recovery time and leaves no scars. Both physicians and patients are pleased with the results. VOA's Carol Pearson has more. Maria Viruet recently had her gallbla

发表于:2019-01-31 / 阅读(224) / 评论(0) 分类 VOA标准英语2008年(一月)

发表于:2019-02-01 / 阅读(202) / 评论(0) 分类 财会英语

Researchers at Boston University have identified a kind of genetic signature in people who are likely to live to age 100 or older. The technique may also help doctors predict whether you're likely to get a disease, decades before the symptoms show up

发表于:2019-02-03 / 阅读(198) / 评论(0) 分类 VOA标准英语2010年(七)月

Vacationing on the island of Oahu, we were waiting in our tour bus for some stragglers to show up. A man, obviously not with our group, approached the bus and was about to board. How would our driver handle the situation, we wondered. Straight-faced,

发表于:2019-02-03 / 阅读(196) / 评论(0) 分类 趣味英语

The Federal Bureau of Investigation's secret method for unlocking the iPhone 5c used by one of the San Bernardino shooters will not work on newer models, FBI Director James Comey said. 美国联邦调查局局长詹姆斯科米近日表示,FBI用于破

发表于:2019-02-15 / 阅读(176) / 评论(0) 分类 英语新闻

Reproductive technology 生殖技术 Mum, Dad and Mitomum 妈妈,爸爸与代孕妈妈 Britain may allow babies with three biological parents 英有望允许新生儿有三个亲身父母 ASSISTED reproduction is one of those rare areas in which Br

发表于:2019-02-16 / 阅读(210) / 评论(0) 分类 经济学人科技系列

Science and technology 科学技术 The Neolithic 新石器时代 Boom-time machine 时间机器解密:新石器时代的繁荣期 Building site, 3670 BC 公元前3670年的建筑遗址 THAT economic expansion leads to building booms seems to have be

发表于:2019-02-16 / 阅读(216) / 评论(0) 分类 经济学人科技系列

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(162) / 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(191) / 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(176) / 评论(0) 分类 英语口译

知识点讲解: 1、中文意思一样 insist persist 2、两个词长得像 special specialty 3、长得像+中文意思一样 technique technology ① Technique 方法、技巧 Hes a great basketball player. He has flawless technique. 他是位很

发表于:2019-02-21 / 阅读(181) / 评论(0) 分类 每天三分钟学英语
学英语单词
agathidium (microceble) klapperichi
aggregate combinations
air pollution control theory
alfalfone
anticyclonic wind sheer
apsorption spectrum
aramoana
authorized broker
begadkephat
beneficial cycle
beta-absorption gage
boring dust
bowood
Bājaur Agency
called device
card tart
Chi-nan
christyoside
classifcation of investment
colyn
corsey
cortex gossypii radicis
cos lettuce
cramping apparatus
demand limiter
density step
distention and fullness
district manager
Doberai, Jazirah
drycleaning
endogenous wind calming prescription
endometaphase
fairy chimneys
fashion cycle
FIAN synchrotron
foot pound second (fps)
frequency-domain automatic network analyzer
fumigation of aircraft
ganoidians
gear-pump
gondola flat
have the heart
hermann wilhelm gorings
herstatt
Hognestad's syndrome
I.D.
idempotent of rm code
impact resilience
internal transadmittance
inverted T-formed budding
king haakon vii sea
lago
laser modes
Lianfair
libramycin
light-up
liliane
long-term prepaid insurance
maladiction
manfredoes
metrisable
middle duplicity
mineral adipocire
neurofibrillaries
non-stop train
normal thickness of blade
Novoselec
one-address code
one-eyed stereo
oscillating rotary motion continuous
P. rat. actat.
paraperiodic acid
pathoadaptations
perforated screen
pneumatic vane motor for starting
postal Giro
posttested
PTDCHO
public Archie server
punctulata
quaternary oceanography
remote unit
reradiation factor
reveiz
RH-oxygen blowing
Röschitz
second class mail
secondary flat
selenoenzyme
silver grasses
sloppiest
sparrer
spray-oxidizing process
stealth bag
steplength
surface peeling
Tetracme quadricornis
train succession
transmission equipment
ULDH
vertical ship lift with float system
viscotiol