单词：free topological algebra
单词：free topological algebra 相关文章
This is the VOA Special English Development Report. Books are a high cost of higher education. But the Global Text Project hopes to create a free library of one thousand electronic textbooks for students in developing countries. The Global Text Proj
VOA慢速英语2007年（十二）月
JUDY WOODRUFF: Now a look at how required math classes may factor into the academic success or failure of high school and college students. Hari Sreenivasan has the story as part of our weekly education series, Making the Grade. ANDREW HACKER, Author
PBS访谈教育系列
English英语 Japanese日语 Chinese语文 mathematics数学 science理科 gymnastics体育 history历史 algebra代数 geometry几何 geography地理 biology生物 chemistry化学 physics物理 physical geography地球物理 literature文学 sociolo
英文语法词汇
获得52.2k好评的回答@Isaac Hanemann： Among my peers, the most common reasons to sit in front are: 在我的同龄人中，坐在前排的最普遍的原因是： ?Poor vision 视力不好 ?Poor hearing 听力不好 ?Harder to fall asleep (my
阅读空间
Stereotypes are usually the last thing to change in the face of contradictory evidence. A case in point is the long held belief that boys are better at mathematics than girls. Well a meta-analysis to be published in the journal Psychological Bulletin
Scientific American(一)月
This is the VOA Special English Education Report. Knowledge is free on the Internet at a small but growing number of colleges and universities. About one hundred sixty schools around the world now offer course materials free online to the public. Re
VOA慢速英语2008年（一）月
A 33-year-old financial analyst in California recently quit his job to devote himself to an unpaid job teaching math on the Internet, and his lessons are reaching almost 100,000 people a month. In this week's edition of Making a Difference, we introd
VOA标准英语2010年(三月)
I'm here today to talk about the two ideas that, at least based on my observations at Khan Academy, 今天，我要分享两个观点，至少基于我对可汗学院的观察得出的， are kind of the core, or the key leverage points for learning.
TED演讲科学篇
拓扑排序 topological sort 偏序 partical order 拓扑有序 topological order AOV网 activity on vertex network AOE网 activity on edge network 关键路径 critical path 匹配 matching 最大匹配
实用英语
If I could write a letter to me And send it back in time to myself at 17 First I\'d prove it\'s me by saying look under your bed There\'s a Skoal can and a Playboy no one else would know you hid And then I\'d say I know it\'s tough When you break up
美国乡村音乐
Language is hard. In fact, it's infinitely harder and more complicated than math. And yet, nearly every small child can learn and master language. 语言真的很难。老实讲，它比数学要复杂得多，也困难得多。不过，几乎所有的
英语新闻
351. odd a. 奇特的,古怪的；奇数的 352. omit vt. 省略 353. opponent n. 敌手,对手 354. opportunity n. 机会,时机 355. orchestra n. 管弦乐队 356. semester n. 学期；半年 357. se
英文语法词汇
At first glance Esther Okade seems like a normal 10-year-old. She loves dressing up as Elsa from Frozen, playing with Barbie dolls and going to the park or shopping. 第一眼看上去，十岁的埃丝特奥卡德好像和同龄孩子没什么不一样
阅读空间
经典英文句子帮你记单词 1. With my own ears I clearly heard the heart beat of the nuclear bomb. 我亲耳清楚地听到原子弹的心脏的跳动。 2. Next year the bearded bear will bear a dear baby in the rear. 明年，长胡子的熊将
实用英语
Brad Paisley -- Letter To Me 写给自己的信 If I could write a letter to me And send it back in time to myself at 17 First I'd prove it's me by saying look under your bed There's a Skoal can and a Playboy no one else would know you hid And then I
经典英文歌曲
If I aint got nothing, I got you If I aint got something I don't give a damn, cause I got it with you I don't know much about algebra, but I know one plus one equals two And it's me and you, thats all we'll have when the world is thru Cause baby we a
The Voice 美国好声音
But when they really get pushy, people really get pushy, I say, I do it because you do it for your kid. 但是当他们变得有进取心时，我们就会变得更有进取心，我说：我这样做就像你们为自己的儿子做的原因一样。
TED演讲国际问题篇
Leaders: Big economic ideas Breakthroughs and brickbats 社论：重大经济思想突破与板砖 What economists can learn from the discipline's seminal papers 经济学家能够从这一学科的经典论文中所学到的 It is easy enough to cri
经济学人财经系列
You see, the autistic mind tends to be a specialist mind 自闭症患者通常都是有特别的心智的 good at one thing, bad at something else. 她们往往在某一方面做得很棒，在其他方面做得很糟 And where I was bad was algebra.
TED演讲教育篇