复合抽样方案

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Airplane manufacturers have been changing over from aluminum to advanced composite materials. These lighter, stronger composites are made of fibers of

发表于:2018-12-24 / 阅读(165) / 评论(0) 分类 Scientific American(三)月

托德和詹安娜在讨论学校生活 Todd: Hello! Jeanna: Hello! Todd: Hi, what's your name? Jeanna: Jeanna. Todd: OK, Jeanna, how old are you? Jeanna: I'm 15 years old. Todd: 15! OK, are you in high school? Jeanna: Yes, I am. Todd: OK. What do yo

发表于:2018-12-27 / 阅读(133) / 评论(0) 分类 英语口语练习册

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(204) / 评论(0) 分类 商务英语必备1000字

Todd: Hello! Jeanna: Hello! Todd: Hi, what's your name? Jeanna: Jeanna. Todd: OK, Jeanna, how old are you? Jeanna: I'm 15 years old. Todd: 15! OK, are you in high school? Jeanna: Yes, I am. Todd: OK. What do you think about high school? Jeanna: It's

发表于:2019-01-02 / 阅读(177) / 评论(0) 分类 英语访谈对话

客户户口 client account 客户身分规则【证监会】 Client Identity Rule【SFC】 客户服务器结构 client server architecture 客户协议书/合约 client's agreement 客户按金 clie

发表于:2019-01-03 / 阅读(163) / 评论(0) 分类 财会英语

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(196) / 评论(0) 分类 财会英语

After 20 years as a pilot, I became an airport manger and soon found the stress was getting to me. I needed a release and wanted to buy a motorcycle, but my family thought it was too dangerous. My wif

发表于:2019-01-03 / 阅读(219) / 评论(0) 分类 英汉幽默故事选读

Pyramid vs. Ponzi Scheme. Which One Is Worse? And now for the VOA Learning English program, Words and Their Stories. When you work hard for your money, you do not want to lose it. And if you invest your hard-earned money, you want to see great return

发表于:2019-01-12 / 阅读(160) / 评论(0) 分类 2016年VOA慢速英语(四)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

The world this week 一周要闻 Business 商业 The prospect of an all-out trade war between America and China became real. 美国和中国之间爆发全面贸易战的可能性变成了现实。 Donald Trump said he would impose tariffs on $50bn o

发表于:2019-01-26 / 阅读(152) / 评论(0) 分类 经济学人要闻

发表于:2019-02-01 / 阅读(179) / 评论(0) 分类 财会英语

Todd: Hello! Jeanna: Hello! Todd: Hi, what's your name? Jeanna: Jeanna. Todd: OK, Jeanna, how old are you? Jeanna: I'm 15 years old. Todd: 15! OK, are you in high school? Jeanna: Yes, I am. Todd: OK. What do you think about high school? Jeanna: It's

发表于:2019-02-02 / 阅读(141) / 评论(0) 分类 原版英语对话1000个

Police in London say they have arrested a man accused in an unauthorized trading scheme that allegedly cost Swiss bank UBS about $2 billion. Police say Kweku Adoboli, 31, was taken into custody Thursday on the suspicion of abusing his position to com

发表于:2019-02-03 / 阅读(136) / 评论(0) 分类 英语新闻

BEIJING, Aug. 19 (Xinhua) -- China's steel output growth slowed in July and prices of steel products have continued to drop, according to data from the National Development and Reform Commission (NDRC). Crude steel production gained 4.2 percent year

发表于:2019-02-06 / 阅读(169) / 评论(0) 分类 英语新闻

Chinese shares posted their biggest one-day fall in a month yesterday, with indices closing more than 6 per cent lower after a late sell-off. 中国股市昨天出现一个月来最大单日跌幅,在尾盘抛售之后,沪深股指收跌逾6%。

发表于:2019-02-06 / 阅读(183) / 评论(0) 分类 英语新闻

Chinese stocks carved out their biggest gain in two months amid speculation that A-shares could be included in MSCIs global benchmarks. 由于市场猜测A股可能会被纳入MSCI明晟的全球基准,中国股市今日出现两个月来最大幅度

发表于:2019-02-15 / 阅读(127) / 评论(0) 分类 阅读空间

窗帘名称 窗帘: curtain/window blind 蜂巢帘: honey comb blind 百褶帘: pleated blind 卷帘: roller blind 软百叶帘: venetian blind 柔丽丝帘: softness blind 香格里拉帘: Shangri-La blind 窗帘面料 窗帘布原料: raw material

发表于:2019-02-17 / 阅读(123) / 评论(0) 分类 实用英语

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
学英语单词
addai
advanced traffic management system
ammonium imines
antiradar camouflage material
antiterrorisms
arbitress
Asian-African Conference
attached support processor
axial lood factor
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basis cochleae
boldfaced
Borgu(Borgou)
Bursa musculi bicipitis femoris superior
butt welded
capishes
carolands
castor bean poisoning
Charles Town
chemical toning
chemico-
classical prescriptions
cooperation mode
cosmic joker
db switch (double break switch)
debye-scherrer diagram
deja-vus
diploic canals
discrete wire technology
double burton
double crucible system
E.M.S.
effective stiffness
enquere
entoloma murraii
exprobration
farm woodlot
feeder reservoir
fetal kidney transplantation
forzando
foveations
front end circuit
gantry column
genus Shorea
Goldilocks zones
group-home
Heffen
huias
hypogastric fissure
immunoprofiles
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korbich
Krosno
last in, first out
leg phenomenon
Lerbäck
levelling block
light projector
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oxazine dye
parameter of cavity resonator
perale
Picea purpurea
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refuse wagon
Sarcoptes bovis
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sheaf of ideal
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