单词：methods of sampling
单词：methods of sampling 相关文章
Giving a presentation can be a scary task. It can be even more worrisome when the presentation is not in your native language. You may forget the English words for what you want to say. Or, like a lot of people, you may get nervous. But, the good new
2017年VOA慢速英语(三)月
More than 70% of Chinese internet users said carrying cash is not a necessity of life any more, as payment methods such as QR code scanning, China UnionPay and online payments become increasingly popular. 随着扫描二维码、中国银联、网上支
英语新闻
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
Broadcast: Jan 14, 2003 By Mario Ritter This is the VOA Special English Agriculture Report. World coffee prices have dropped by almost fifty percent over the last three years. They are at their lowest
VOA2003（上）-社会广角
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
很多同学留言说不知道如何划分句子成分，那你知道句子构成了吗？下面就跟小编一起看看句子的基本成分有哪些吧，希望今天为大家整理的这篇文章可以让大家学会英语语法。 基本句型 三：
大学四六级阅读
gre作文原稿(第三段) The nonmainstream areas can do harm to[1] the society, only when people don't inquire them merely for fun, but for resolution[2] of life instead. It is ignorance because no one in the world could point out way for others, n
GRE作文
This is the VOA Special English Agriculture Report. An American expert in food science technology has won a major international award. Philip E. Nelson has been named winner of the Two Thousand Seven World Food Prize. World Food Prize Foundation Pres
VOA慢速英语2007年（七）月
replace 接替，替换 representative 代表，代理人 research 调查，研究 resolve 解决 set 创造（纪录等） settle 解决（问题等） shorten 减低......效能 show 显示,表明 significant 重要的,有效的 simplify 简化,精简
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
Ways to smile 微笑的方式 Listen to good music. 听听好音乐 It's an age-old question, but why do we feel like listening to sad music when we're feeling down? 这是个由来已久的问题，但是为什么当我们失落的时候想听些音乐
英语听力广播—Listening
AGRICULTURE REPORT - Experts Say Water Shortages Affect One-Third of World PopulationBy Mario Ritter Broadcast: Tuesday, August 22, 2006 This is the VOA Special English Agriculture Report. Water is sc
2006年慢速英语（八）月
EDUCATION REPORT - Experts Will Study How to Improve Math Teaching in U.S.By Nancy Steinbach Broadcast: Thursday, June 01, 2006 I'm Steve Ember with the VOA Special English Education Report. A new com
2006年慢速英语（六）月
A bigger can? 一个更大的罐头？ By the end of 2010, Dr Potti had resigned from Duke, 到2010年底，Potti博士已经从杜克大学辞职， the university had stopped the three trials for good, 学校永久停止了那三项临床试验，
经济学人科技系列
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
今天小编带来的是关于口试中扣分相关的问题整理，希望对大家备考有用，一起来看看具体的内容介绍吧! 在雅思考试中如果没有听懂，其实你完全可以要求考官复述一遍题目，但外国人一般不
雅思英语