单词：sampling (survey) method
单词：sampling (survey) method 相关文章
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
每天一点英文
U.S. teenagers today are less hopeful than they were just five years ago about America's ability to address its most critical problems, from the economy and global warming to international terrorism. But a new survey of American high school students
VOA标准英语2008年（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
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
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
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
财会英语
By Phil Mercer Sydney 03 October 2007 Australians have suffered a dramatic loss of confidence in the ability of the United States to manage international affairs. The first survey of attitudes by a center set up by the Howard government to improve re
2007年VOA常速英语（十月）
By Peter Fedynsky Moscow 20 September 2007 Estonia has refused permission for a geological survey in its territorial waters for a proposed gas pipeline under the Baltic Sea. But VOA Moscow correspondent Peter Fedynsky says the Russian-German project
2007年VOA标准英语（九月）
A survey conducted in predominantly Muslim nations shows an overall embrace of globalization, trade, and integration into the world economy. From Washington, VOA's Michael Bowman reports. For those who view Muslims as generally insular, inward-looki
VOA标准英语2008年（八月）
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
VOA标准英语2012年(五月)
BBC Learning English Weekender Body image survey results Amber:Hello, I'm Amber, and youre listening to bbclearningenglish.com. In Weekender today, we listen to a report about a BBC survey of 25,000 young British people, asking about their body imag
Weekender
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
天天商务口语
By Cindy Saine Washington 16 November 2007 An independent survey on racial attitudes in the United States shows a growing number of African Americans say they are worse off now than they were five years ago, and that they don't expect their lives to
VOA常速英语2007年（十一月）
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
英语作文
A new survey by the British Red Cross finds most Britons are unaware of major conflicts in the world, besides Iraq and Afghanistan where the British military is engaged. Less than one percent of those surveyed identified the major African conflict z
VOA标准英语2008年（十月）
今天我们要学的词是survey。 Survey, 是调查的意思。有些调查很正式。比如说，A comprehensive survey shows that support for suicide bombing against civilians has fallen sharply across the Muslim world since 2002, 一项综合调
英语每日一词
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
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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
英语口译