随机取样法

Sorry,there is not text temporarily, Please help tingroom to look for it! 如果您能找到更好的听力原文,请发贴到听力原文收集区,您将会获得10到30积分的奖励! Thank you!

发表于:2018-12-03 / 阅读(201) / 评论(0) 分类 英语轻松咖啡馆-EZ Cafe

a 一个 每一个 abandon 抛弃 放弃 丢弃 ability 能力 能耐 本领 able 有能力的 出色的 aboard 在船上 上船 about 关于 在周围 above 在上面 高于 abroad 国外 到处 absence 缺席 不在场 缺乏 absent不在场的 缺乏

发表于:2018-12-05 / 阅读(129) / 评论(0) 分类 大学英语四级词汇拼读版

accident ['ksidənt] n.事故,意外,偶然 careful ['keəful] a.仔细(小心)的 difficulty ['difikəlti] n.困难 flag [flg] n.旗帜 horse [hɔ:s] n.马 lock [lɔk] n.v.锁 nut [nʌt] n.竖果,螺帽 rain [rein] n.v.雨,下雨 silk [silk]

发表于:2018-12-05 / 阅读(246) / 评论(0) 分类 1200个常用英语口语单词(MP3+文本)

Don't know if we each have a destiny, or if were all just floating around accidentallike on a breeze. 我不懂我们是否有着各自的命运,还是只是到处随风飘荡。 图片1

发表于:2018-12-20 / 阅读(115) / 评论(0) 分类 Daily English-2016.04

Podcast is sponsored from the people of American Chemistry who provide the plastics, medicines and innovations that make life modern. Learn more at americanchemistry.com. This is Scientific American's 60-Second Psych. I'm Christine Nicholson, got a m

发表于:2018-12-24 / 阅读(145) / 评论(0) 分类 Scientific American(七)月

creature n.生物 Humans are creatures of habit. 人类是惯性动物。 creator n.创造者 Walt Disney was the creator of Mickey Mouse. 华德迪士尼是创造米老鼠的人。 media n.媒体(复数) The political party accused the media of

发表于:2018-12-30 / 阅读(147) / 评论(0) 分类 赖世雄进阶英语词汇3500

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(202) / 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(195) / 评论(0) 分类 财会英语

abstain v. 戒绝 abstinence n. 禁戒;节制 abstract v. 摘要,提炼; adj. 抽象的 abstraction n. 抽象概念,摘要;出神 abstruse adj. 深奥的 absurd adj. 荒谬的 abundant adj. 充

发表于:2019-01-11 / 阅读(187) / 评论(0) 分类 英文语法词汇

1. At least three people are dead and more than 70 injured in eastern Belgium, after officials say a storm swept through an open-air music festival. Video from the site showed stage equipment dangling in high winds. 2. Another sell-off on Wall Street

发表于:2019-01-11 / 阅读(178) / 评论(0) 分类 美联社新闻一分钟2011(八月)

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

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

Exhaustion: extreme weariness Exhaustive: covering all possibilitiesExonerate: 证明无罪 Exorable:可说服的,心软的Fortuitous: accidental Fortitude: strengthForfeit: 丧失 Surfeit:饮食过度 Fomentation:煽动,助长 Fermentation:

发表于:2019-02-01 / 阅读(136) / 评论(0) 分类 GRE英语

To: Ryan ~ From: Your Secret Admirer Dear Ryan, Wow, I don't even know where to start. You make my heart pound so fast and I can't even catch my breath. You give me goose bumps all over my body and you're all I think about. I've never had a love like

发表于:2019-02-01 / 阅读(141) / 评论(0) 分类 实用英语

1.ANECDOTE:STORY:: (A)film:theater (B)chapter:novel (C)lyric:song (D)joke:parody (E)skit:play 2.TRUCULENT:GENTLENESS:: (A)gullible:belief (B)fervent:zeal (C)forthright:trust (D)gluttonous:appetite (E)u

发表于:2019-02-05 / 阅读(149) / 评论(0) 分类 英文语法词汇

担心与恐惧 1.我担心你 I'm worried about you. 2.你的所作所为让我很担心 I'm anxious about what you did. 3.我非常忧虑 I'm very anxious. 4.可不要把自己愁出病来 Don't worry yourself sick. 5.这件事让我愁的谁不着觉

发表于:2019-02-15 / 阅读(120) / 评论(0) 分类 英语口语900句

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(164) / 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

They took a limo to JFK airport. When they arrived, she got out of the limo. She said, I already paid the driver to take you back home. I've paid for everything. An hour later, Melvin gave the driver $20, saying, Thanks. Here's your tip. The driver t

发表于:2019-02-22 / 阅读(122) / 评论(0) 分类 英文短篇故事(纽约)
学英语单词
a precious deal
acid treated oil
adequate for
androsporogenesis
arter
back of photographic lens
be undecided
beatis
boiling point
bright-bluer
causal relation
chemical pulps
cirratum
coarse-handed
cold fishes
common-sensical
congestive acne
Consolidated Rail Corporation
continuous full load rum
cora pavonia e. fries
cornhuskings
Currituck
diplographs
direct fires
distribution substation
downtroddenness
DTPA-Ca
elliptic cylindrical wave function
employee operated businesses
employment opportunity
enclosed air
endoparticle
exhumator
fine-grained wood
fondu
forced circulation
forty-eightmo
four-arm spider
gas-density detector
gas-per-mile gauge
graduall
graptomyza fascipennis
greenstreet
handcraftmanships
heterocladic
HYDROCHAERIDAE
impression block
in bundle
intelligence officers
intracranial joint
jct.
job-sheet
khazer
lamp filament
large man
lay one's plans
marine automatic meteorological observing station
martini
maximum distance of shuttle
misinclined
monkey off my back
nebraskan glacial age
negative-phase sequence
neutral current relay
nium
officers
oxalyl urea
parochiner
PCMCIA
plethobasus cooperianus
Pokkuribyo
poskitt
problem of common interest
pseudoecgonine
pseudotrimerous
radio-frequency coupling ring
raise a cry
rapid cut off valve
reason someone into something
reattachment point
reliable life
reloan
rules of law
semi continuous side strip mill
ship to shore net
single-frequency simplex
solanone
specified operation time
statute on stock company
steel net
subalar sclerite
superstring theory
tender issue
thenyltrifluoroacetone
thin-walled open section beam
Tobor
turbulent annulus
vrg
well-will
window bar
Zabolotiv
Zeiss convertible Protar