单词：optimal stratification sampling
单词：optimal stratification sampling 相关文章
I've been intrigued by this question of whether we could evolve or develop a sixth sense 有一个问题我思考了很久，就是我们能否进化出一种第六感官。 a sense that would give us seamless access and easy access to meta-informati
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Finding the Energy by Richard Seven 2005 The Seattle Times , Knight Ridder Newspapers. Distributed by Tribune Media Services Need some energy? To get it you have to spend it, and there’s the rub 1 W
彭蒙惠英语
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
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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
This is Scientific American's 60-Second Science. I'm Cynthia Graber. This'll just take a minute. Olive oil producers generally guess the best time to harvest their olives by checking the fruits color. The olive has to hit that perfect spot where they
Scientific American(五)月
Many young people choose to continue their educations abroad. What are the benefits of studying abroad? What are some of the problems students might experience when studying in a foreign country and how those problems be minimized? Since World War II
雅思英语
一般而言，男人会与比自己小的女人结婚，女人也乐于嫁给比自己大的男人 Men marry younger women and women prefer to marry older men, in general. But is it culture, genetics or the environment that drives such a choiceand i
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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
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Morning is the optimal time to get your metabolism revved up for the day and your body ready to fight fat. Changing up your morning routine to lose weight more effectively may feel awkward at first. But once your modifications become habits, you may
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WHEN a woman breaks a glass ceiling and becomes the presidential nominee of a major political party, what should men think? 当有一名女性打破玻璃天花板成为主要政党的总统提名人时，男性应当作何感想？ Should men applau
英语新闻
No one teaches you how to be a good employee or manager. So what do you do once you graduate with plenty of knowledge about your degree field, but a blank slate about how to push the needle in the office? 没有人教你如何成为一个好的员工或
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秘鲁，法国签署防务协议 LIMA, Nov. 4 (Xinhua) -- Peru and France signed here Monday two cooperation agreements on defense and protection of information and sensitive materials, said the Defense Ministry. The deals were signed by Peruvian De
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Repetition Doesnt Work: Better Ways to Train Your Memory 比重复更有效的记忆方法 A team of scientists recently discovered that repetition is a terrible way to memorize informationand their findings highlight much better strategies. 一组科学
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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
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