受限最小平方估计量

数学英语 41 What are Statistics and Estimators?

by Jason Marshall Sometimes statistics* seems magical. Of course, there isnt really anything magical going onbut the fact that statistical methods can be used to pull useful information out of a hatful of messy data is, at a minimum, remarkable. And,

发表于:2018-12-07 / 阅读(114) / 评论(0)

数学英语

UNIT 2 On the Train Lesson 13

[ti:UNIT 2 On the Train Lesson 13] [0:00.469]UNIT 2 [0:01.946]On the Train [0:03.474]Lesson 13 [0:05.506]What Are You Doing? [0:08.091]THINK ABOUT IT! [0:10.267]What is your favourite game? [0:12.886]Why? [0:14.364]Do you like babies? [0:16.560]Why o

发表于:2018-12-13 / 阅读(159) / 评论(0)

河北教育初中英语（初中起点）七年级下册

与美国小学生一起学英文第6册第30期:模型

Patterns 模型 A pattern has lines or shapes, and it is a kind of design. 模型有线条或形状，是一种设计。 Where can we find a pattern? 我们从哪里能找到模型呢？ Think about a chessboard. 想想棋盘吧。 The chessboard has

发表于:2018-12-13 / 阅读(62) / 评论(0)

与美国小学生一起学英文第6册

2014年ESL之日常生活 05 Getting Access to Restricted Areas

Getting Access to Restricted Areas Security officer: Excuse me, sir, but this is a restricted area. Only authorized personnel are permitted. Carl: I just want to take a quick look. Is this really where the president will be speaking? Security officer

发表于:2018-12-27 / 阅读(97) / 评论(0)

2014年ESL之日常生活

【中级类英语听力】22

Let's learn how to play the game of checkers. Two players choose one color of the round disks known as checkers. In this particular game, the checkers are red and black. There are 12 black checkers and 12 red checkers. The checker board consists of 6

发表于:2018-12-28 / 阅读(62) / 评论(0)

中级类英语听力

新西兰英语 05 Restricted University Courses

The Auckland University Council has voted to restrict entry to courses in Arts, Science, Education and Law from 2009. Some specialist courses, like medicine, engineering and business, have always been restricted but universities in New Zealand give o

发表于:2018-12-31 / 阅读(96) / 评论(0)

新西兰英语

广州金太阳三年级上--MODULE 6-17

UNIT 17 How Many Squares Are There?\n [au:]第17单元有多少个正方形？\n [00:07.50]Dialogue\n [au:]对话\n [00:09.70]Look and listen. Then read and act in groups.\n [au:]看和听。然后分组朗读和表演。\n [00:15.63]Mr Chen: How ma

发表于:2019-01-09 / 阅读(201) / 评论(0)

广州版金太阳小学英语三年级上

广州金太阳三年级下--MODULE 6-18

UNIT 18 Lets Go Further\n [au:]第18单元拓展学习\n [00:04.56]Story Time\n [au:]故事时间\n [00:06.94]Look and listen. Then read and act out the story.\n [au:]看一看，听一听。然后朗读和表演这个故事。\n [00:12.86]Mr Leo: L

发表于:2019-01-09 / 阅读(186) / 评论(0)

广州版金太阳小学英语三年级下

快乐英语第六册 UNIT4-24

[00:06.69]Unit 4 [00:08.29]What a big school! [00:11.10]Lesson 24 [00:13.43]Revision [00:15.79]Listen, Read and Say [00:18.95]Look! This is my school. [00:21.88]There are three buildings in it. [00:24.15]The tallest one is the teaching building. [00:

发表于:2019-01-09 / 阅读(151) / 评论(0)

快乐英语第六册

UNIT 5 Li Ming Goes to Canada Lesson 37

[ti:UNIT 5 Li Ming Goes to Canada Lesson 37] [0:00.707]UNIT 5 [0:02.295]Li Ming Goes to Canada [0:04.909]Lesson 37 [0:07.118]Mr. Wood's Lesson [0:09.734]THINK ABOUT IT! [0:11.283]What is the weather like in your city today? [0:15.000]What is the temp

发表于:2019-01-09 / 阅读(206) / 评论(0)

河北教育初中英语（初中起点）七年级下册

统计学名词词汇

统计学名词词汇 population 母体 sample 样本 census 普查 sampling 抽样 quantitative 量的 qualitative/categorical 质的 discrete 离散的 continuous 连续的 population parameters 母体参数 sample statistics 样本统计量 descriptive statistics 叙述统计学 infer

发表于:2019-02-03 / 阅读(97) / 评论(0)

英文语法词汇

盘点英语里好“方”的习惯表达

并不只有汉语才会把形状变成我好方这类的习语的(这并不是习语好嘛!) 方，square，在英语里的出镜率可是高得惊人呢。今天，双语君就来盘点一下英语里那些让人方了的表述。 Square 方形 to

发表于:2019-02-04 / 阅读(71) / 评论(0)

英文语法词汇

你的色觉够好吗？新应用测你的辨色力

The latest app that's sweeping the web is the fiendishly addictive, and surprisingly difficult, Kuku Kube. 最新颜色辨识应用程序Kuku Kube正在席卷网络，它像恶魔般使人上瘾，并且难度惊人。 It has been designed to put you

发表于:2019-02-04 / 阅读(76) / 评论(0)

阅读空间

统计学名词英语单词

统计学名词英语单词 population 母体 sample 样本 census 普查 sampling 抽样 quantitative 量的 qualitative/categorical 质的 discrete 离散的 continuous 连续的 population parameters 母体参数 sample statistics 样本统计量 descriptive statistics 叙述统计学 i

发表于:2019-02-06 / 阅读(129) / 评论(0)

英文语法词汇

新托福插入题命中百分百

在新托福阅读的考查中，每篇文章必会出现一类题，叫做Insert Text Questions，即插入句子题(简称插入题)。考试中，考生会遇到一句话，问该句插入文中哪里最合适。如下面例题： The raising of l

发表于:2019-02-13 / 阅读(87) / 评论(0)

托福英语

TED演讲:我难忘的一次中国行(6)

And in the local square, what would we see. 在广场上，我们会看到一些景象。 Well, in western countries often you won't see anyone other than young people, 在西方国家，我们通常不会在广场上看到年轻人以外的任何人，

发表于:2019-02-13 / 阅读(76) / 评论(0)

TED演讲国际问题篇

英语听书《白鲸记》第211期

This accomplished, however, he turned round-when, good heavens; what a sight! Such a face! 不过,他把绳子解开后,转过脸来,啊,老天爷;多怕人呀!这样一张脸! It was of a dark, purplish, yellow color, here and there stuck over with

发表于:2019-02-17 / 阅读(58) / 评论(0)

白鲸记

英语听书《白鲸记》第213期

Even as it was, I thought something of slipping out of the window, but it was the second floor back. 就在这种情况下,我还是想要从窗口跳出去,可是,窗子是开在二层楼的后背,没法跳。 I am no coward, but what to make of thi

发表于:2019-02-17 / 阅读(74) / 评论(0)

白鲸记

翻译考试词汇必备：统计学名词词汇（二）

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(108) / 评论(0)

英语口译

与“订单”有关的表达

下订单是贸易中非常重要的一步。订单不清楚会直接导致错误，从而引起纠纷。这次就给大家提供一些关于订单的英文表达法。 1. We'd like to order your products. We'll send our order confirmation today. 我们

发表于:2019-03-13 / 阅读(1912) / 评论(0)

英语口语

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amorphous silicon solar cell

assurance with participation