[数] 最小二乘法；最小平方差法

数学英语 31 What are Area and Volume?

by Jason Marshall The last article about how to use math to send encrypted messages ended with a bit of a cliffhanger. The good news is that you will soon find out how the story ends. But, as I warned last time, the bad news is that that isnt going t

发表于:2018-12-07 / 阅读(137) / 评论(0)

数学英语

调查显示超七成网友认为现金渐成非必需品

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

发表于:2018-12-11 / 阅读(129) / 评论(0)

英语新闻

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(214) / 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(108) / 评论(0)

与美国小学生一起学英文第6册

这句英语怎么说第80期:"APEC, 双十一"用英语怎么说

APEC： Asia-Pacific Economic Cooperation 亚太经济合作组织双11：Double Eleven; Singles Day For breakfast on Singles' Day, singles often eat four Youtiao (deep-fried dough sticks) representing the four ones in 11.11 and one Baozi (steamed s

发表于:2018-12-26 / 阅读(158) / 评论(0)

这句英语怎么说

【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(101) / 评论(0)

中级类英语听力

简单慢速英语阅读:Squares and Circles

Different shapes and forms are everywhere. Boxes and street signs are square or rectangular. Balls and wheels are round. The sun and moon are round. Wedding rings are round. Eggs and light bulbs are almost round. Pyramids and arrow tips are triangula

发表于:2019-01-02 / 阅读(128) / 评论(0)

简单慢速英语阅读

原版英语小短文 101. Squares and Circles

发表于:2019-01-02 / 阅读(113) / 评论(0)

原版英语小短文

英语四级句子成分详解（2）

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：

发表于:2019-01-08 / 阅读(144) / 评论(0)

大学四六级阅读

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(247) / 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(242) / 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(212) / 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(260) / 评论(0)

河北教育初中英语（初中起点）七年级下册

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(112) / 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(124) / 评论(0)

阅读空间

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(134) / 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(152) / 评论(0)

TED演讲国际问题篇

经济学人197:学术不端一系列的错误(下)

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，

发表于:2019-02-16 / 阅读(168) / 评论(0)

经济学人科技系列

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(103) / 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(122) / 评论(0)

白鲸记

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acetylglucogitoroside

amidinase

and his mother

anticipatory breach of contract

approach on

atmospheric cooking

automatic distillation apparatus