随机抽样法

Professional Halloween 'Haunters' Channel Method Acting To Deliver Real Scares play pause stop mute unmute max volume 00:0003:25repeat repeat off Update Required To play the media you will need to either update your browser to a recent version or upd

发表于:2018-12-02 / 阅读(105) / 评论(0) 分类 2016年NPR美国国家公共电台10月

A-B-C METHOD OF MANAGING ATTITUDES As an airport skycap checked through a customer at curbside, he accidentally knocked over the man's luggage. He quickly collected the fallen bags and apologized for the mishap. Unappeased, the traveler burst into a

发表于:2018-12-07 / 阅读(256) / 评论(0) 分类 每天一点英文

THIS IS AMERICA - Theater for the Blind; Suzuki Method; Gluten-Free Foods JUNE SIMMS: Welcome to THIS IS AMERICA in VOA Special English. I'm June Simms. CHRISTOPHER CRUISE: And I'm Christopher Cruise. This week on our program, we visit a theater that

发表于:2018-12-16 / 阅读(75) / 评论(0) 分类 2012年VOA慢速英语(八)月

我上个月坐火车到纽约去看朋友,上车后刚要坐下,旁边座位上的女乘客就开始很大声的自言自语,看上去精神好像不太正常,吓得我只好在过道对面远远地坐下。 后来我注意到,每次有人要

发表于:2018-12-16 / 阅读(147) / 评论(0) 分类 美国习惯用语

Books and Arts;New film 文艺;新片上映 Method in the madness 疯狂中的理智 A searching look at what caused the split between Freud and Jung 深度挖掘:弗洛伊德、荣格决裂的原因 Psychoanalysis, as practised by Carl Jung and

发表于:2018-12-31 / 阅读(155) / 评论(0) 分类 经济学人文艺系列

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(136) / 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(128) / 评论(0) 分类 财会英语

Jennifer: Hello and a very warm and friendly welcome to the first 6 Minute English of 2013. My name is Jennifer and with me in the studio for today's programme is Callum. Happy New Year! Callum: Hi Jen - happy New Year! Jennifer: Have you made any Ne

发表于:2019-01-07 / 阅读(181) / 评论(0) 分类 六分钟英语

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(95) / 评论(0) 分类 Scientific American(八)月

This is Scientific Americans 60-Second Science. I am Cynthia Graber. This will just take a minute. Ants are known for working together, operating as a unit for the good of the colony. But not so fast, say researchers from the Universities of Leeds an

发表于:2019-01-08 / 阅读(114) / 评论(0) 分类 Scientific American(三)月

Children Learn to Play Music by Listening in Suzuki Method Five-year-old Hannah Mei Steury started violin lessons two months ago. Her teacher, Stephanie Flack, says Twinkle, Twinkle Little Star is the first song children learn to play. Its a very sim

发表于:2019-01-13 / 阅读(96) / 评论(0) 分类 VOA标准英语2012年(七月)

A Step Closer to Major HIV Prevention Method A U.S. government panel has recommended the use of a once daily pill to help prevent HIV infection. The pill has been shown to be very effective in studies. The Food and Drug Administration, the FDA, now h

发表于:2019-01-13 / 阅读(114) / 评论(0) 分类 VOA标准英语2012年(五月)

SAF New Fire-Building Method Reduces Air Pollution With their megaphones and orange uniforms, these fieldworkers do not go unnoticed. This is Fine Town, a township south of Johannesburg. Every day, the fieldworkers walk around the townships to show t

发表于:2019-01-13 / 阅读(140) / 评论(0) 分类 VOA标准英语2012年(三月)

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(75) / 评论(0) 分类 天天商务口语

发表于:2019-02-01 / 阅读(108) / 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(80) / 评论(0) 分类 英语每日一词

Traditional Teaching Method Do your teachers still use traditional techniques to teach you nowadays? A revol- ution in teaching techniques is required now. In the past, we just took it for granted that a teacher' s aim was to teach the students all t

发表于:2019-02-08 / 阅读(117) / 评论(0) 分类 英语作文

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(87) / 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(98) / 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(93) / 评论(0) 分类 英语口译
学英语单词
A-57132
add-to system
aguacate
aica
antisubmarine attack plotter
Armenia Inferior
at a great
auxiliary assembly
bayonet type intestinal spatula
bituminous rock
blenniidaes
bscs comprehensive final examination
bullit
Cantos Negros
capital saving technical progress
carboboration
carpophage
circumferential crack in plate
cloaking device
coccin
colazide
command block
commonsource small-signal output capacitance
control division header
core-loss current
coresidence
date terms
declarative alvey compiler target language
devil bird
donarite
drm-free
electroencephalography in space medicine
elephantopus mollis
emptysis
Epocryl
femke
fixed ladder
fordells
Fourth Earl of Chesterfield
gospel according to lukes
home monitoring
homogeneous isotopic exchange
honeystone
hydro-planing
hydrogenation catalyst
hypothetic(al) parallax
inter-individual
Japanese character typewriter
King Charles' spaniel
knock your block off
Landau-de Gennes model
leather wear
lenticular nucleus
local session identifier
Lössnitz
Makemake
message transfer service
montien
morus atropurpurea roxb.
multifacetedly
nearside tank
nose hold
novinol
offprinting
ophthalmometr
phosphorus pentoxide
pin-hold lens
price signals
process controllei
Raffrey
reaction to pests
reflex sympathetic dystropy
reigning wind
rooting
segregationalists
Selenodiglutathione
separate frame construction
shao huo wu
simplified measurement
soft spun
soil classification tests
solar room
solid state imaging method
stage game
stainless steel bolts
statoscopes
stein estimator
strobed
sweetie pie
tetradeconic acid
Timber Lake
tofu skin
Tolbugen
training allowance
uniformly bounded below
unit magnetic mass
untanked
vacant number signal
van Buren's disease
vassiliou
video bridge
woven hose