单词：single random sampling
单词：single random sampling 相关文章
The conversation drifted smoothly and pleasantly along from weather to crops, from crops to literature, from literature to scandal, from scandal to religion; then took a random jump, and landed on the subject of burglar alarms. And now for the first
马克吐温最佳短篇小说
Being single has its advantages and disadvantages. I think its better to stay single when youre young. You need to live and have fun. You also need the freedom to do what you want, when you want. Being single in your twenties gives you lots of time t
纯正英语一分钟
说一口流利的英语，从简单的单词开始。 听听，读读，背背，今天你的词汇量又增加了5个。 单词/词义 中英例句 单词听读 single [ 5siN^l ] She buys a single ne
每日攻克5词
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
And now a question we're all pondering: Whats on the mind of an unmarried man? Day to Day contributor Brian Unger is single, but even he doesnt have a clue, still he says the New York Times is searching for an answer. On Friday, gawker.com, a website
2005年NPR美国国家公共电台
Critics say new airport rules could be discriminatory Mohamed Elshinnawi | Washington, DC 18 February 2010 There are a whole lot of things that could be done without sacrificing people's privacy, without - however inadvertently - sending a message th
VOA标准英语2010年(二月)
All too often, women are in a hurry. We want to hurry up and find THE GUY, get married, have babies, buy a house, etc. We don't enjoy the seasons of life we are in. 女人总是生活得匆匆忙忙。我们想要赶快找到自己的梦中情人、结
实用英语
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
格莱美年度歌曲：Single Ladies 这首歌的MV一经发布就引发了全美对当中舞步的模仿热潮，在2009年MTV音乐录影带大奖上，《Single Ladies (Put A Ring On It)》一举拿下年度最佳录影带、最佳舞蹈设计、最
流行英文歌曲
今天我们要学的词是single out。 Single out, 是选出，挑出的意思。 He was singled out as the person who started the fight, 据说这场架是由他挑起的。 He claimed that he was singled out for criticism because of his race, 他声
英语每日一词
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
英语每日一词
By Naomi Schwarz Dakar 12 October 2007 Experts say a single currency across West Africa could boost regional and international trade and increase stability across the region. West Africa's regional economic body, ECOWAS, has said it aims to create a
2007年VOA常速英语（十月）
Single Girls Laura Jansen I think you'd like my new hair I cut it when you weren't there that pieces of us everywhere were falling down My bed is now a girl's bed Pink flowers under my head and pillows on your side instead of you Cause that's what si
好听的英文歌曲
音乐咖啡厅:Laura Jansen - Single girls 相关介绍：很显然对这些铺天盖地的独立音乐已经没什么好评论的了，不过这种欢快的调调真是百听不厌。这妮子在myspace上人气还满高的，非小清新系的甜美
音乐咖啡厅
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