[数] 线性方程组的极小化极大解

帮助学生做数学题的手机应用 WASHINGTON School children usually can count on their parents to help them check if their homework is correct. But as students get older and their assignments get more complex, few parents are qualified to assi

发表于:2018-12-08 / 阅读(53) / 评论(0) 分类 VOA标准英语2015年(七月)

Two Australians, Mack and Jill, are camping on Kangaroo Island. M: Look! There's a koala hugging a tree. They're really so cute. Jill, why are you crying? J: The government's planning on killing them

发表于:2018-12-08 / 阅读(267) / 评论(0) 分类 赖世雄中级美国英语

You Do the Math Hello and welcome to Words and Their Stories from VOA Learning English. On this program we explain how to use common expressions in American English. We also explore the origins of these expressions. Where do they come from? Today we

发表于:2018-12-16 / 阅读(159) / 评论(0) 分类 2016年VOA慢速英语(十)月

1. a little bit,有点,有几分。 eg:Move over this way a little bit. 往这么挪一挪。 2. confusing,令人困惑的,让人容易混淆的。 eg:I see a lot of students stretching and so on, so it is very confusing for me. How do we solve the

发表于:2018-12-18 / 阅读(113) / 评论(0) 分类 蒋健棠教你听英语广播

今天我们要学习的是大家期待已久的课后功课根据中文完成句子的精讲,从而使我们更好的掌握hit sb right between the eyes这个习语的运用。 我们来看看题目。中文句子是我敢打赌,我在这些方程式

发表于:2018-12-27 / 阅读(76) / 评论(0) 分类 英语早间课堂

Lesson 24(第一讲) 2. Let us suppose that Mary hit John right between the eyes, what will he do? It's no doubt John wants to spend all his time with her and get to know about her better.我们假定John对Mary印象很深刻,John会如何呢?

发表于:2018-12-27 / 阅读(58) / 评论(0) 分类 英语早间课堂

Wormholesby Linda BaxterHave you ever read Carl Sagan's 1985 science fiction novel 'Contact'? Or have you seen the film of the same name starring Jodie Foster? If you have, then you will remember the scene near the end of the film, when the heroine t

发表于:2019-01-02 / 阅读(137) / 评论(0) 分类 英文杂志-Magazine

许多人都曾经说过, 英文要讲得好, 就一定要先学会用英文去思考. 因为英文和中文的词性相差太多, 所以许多英文字汇和中文之间并不是有一对一的对应关

发表于:2019-01-03 / 阅读(125) / 评论(0) 分类 小笨霖英语笔记

Callum:Hello. In recent programmes in this series, Who on Earth are we? Marc Beebys looked at some of the more obvious ways that cultures can be different from one another -the different ways we use language, or non-verbal communication, for example

发表于:2019-01-07 / 阅读(597) / 评论(0) 分类 英语讨论

Free Smart Phone App Helps Students With Math 费的智能手机APP可以帮助学生学习数学 WASHINGTON School children usually can count on their parents to help them check if their homework is correct. But as students get older and their assig

发表于:2019-01-14 / 阅读(66) / 评论(0) 分类 VOA标准英语2015年(三月)

Room 212 Building 343 Tsinghua University, Beijing 100084 (010) 62771234 Email:good@tsinghua.edu.com xxx Objective To obtain a challenging position as a software engineer with an emphasis in software design and development. Education 1997.9-2000.6 De

发表于:2019-01-17 / 阅读(110) / 评论(0) 分类 实用英语

Every year on the beautiful Lindau island of Lake Constance, some of the best of the worlds young scientists meet Nobel Prize winners. As it turned out, this meeting of physicists was a true meeting of minds. And so native created five new films expl

发表于:2019-01-22 / 阅读(91) / 评论(0) 分类 自然百科2010年

There were apparently nonsensical structures of space and time, spat out when Albert Einstein's equations weretaken to their extreme conclusion. Einstein's theory of relativitydoes lead us into very strange and unfamiliar paths. Einstein himself didn

发表于:2019-01-23 / 阅读(100) / 评论(0) 分类 探索与发现2015年

1994年度的诺贝尔经济学奖,授予美国普林斯顿大学数学系的纳什教授等三位对博弈论作出奠基性贡献的学者。好莱坞大制作《美丽心灵》A Beautiful

发表于:2019-01-28 / 阅读(112) / 评论(0) 分类 阅读空间

66 神秘的彗星

发表于:2019-01-30 / 阅读(137) / 评论(0) 分类 科技之光

Say it with us: Kids today have it sooooo easy. A new smartphone app will do their math homework for them, provided it's not too complicated. PhotoMath by microblink uses a phone's camera to solve equations and then teaches you the step-by-step metho

发表于:2019-02-02 / 阅读(93) / 评论(0) 分类 阅读空间

The average person in the United States watches almost five hours of television a day, more than an hour greater than the average of people in the world's biggest economies, new research says. 一项新研究发现,美国人平均每天看电视的时

发表于:2019-02-17 / 阅读(101) / 评论(0) 分类 阅读空间

台湾籍旅美老师今天交给我们的句子是: Watch and outline your answer before you go in and so that you can answer clearly, concisely and with confidence. 在你进去面试之前,先练习概述答案,这样你才可以有回答地清

发表于:2019-02-21 / 阅读(90) / 评论(0) 分类 留美老师带你每日说英文

He bought a DVD player. He went home. He unplugged the old DVD player from the living room flat-screen TV. He hooked up the new player. He plugged the old player into the 10-year-old TV in the bedroom. His wife came home. She said, Why didn't you jus

发表于:2019-02-22 / 阅读(90) / 评论(0) 分类 英文短篇故事(纽约)

kin n.家属(集合称), 亲戚, 同族, 血缘关系, 家族 adj.有亲属关系的, 性质类似的, 同类的 kit n.成套工具, 用具包, 工具箱, 成套用具 lapse n.失误, 下降, 流逝, 丧

发表于:2019-02-25 / 阅读(190) / 评论(0) 分类 考研英语
学英语单词
aft steering test
afterblow
amygdalum
antithetic fault(s)
artificial-turf
aspekte
basipodial
bat wing
Blepharoconus
brulle
Caffeinefree Coke
canada-based
capsulises
ch?n t'ou
chartering broker
chromium-plated universal bevel protractor
cisco link services interface
creatings by mental acts
cyberwallets
delphinologists
denivellation
diaphragm motor
domestic asses
drive fit
Ehretia laevis
electronic hanging balance
ensiform
extrusion cooking process
find neither hide nor hair of
graduates nurse
group of isotropy
half round flatter
hauss
hermann snellens
high low circuit
Indian yellow
indirect tracking
isostructural mineral
ited
kousoulis
Kuss's experiment
lay my hands on
lay of rope
lean upon
liquid glue
longitude factor
mechanical wood pulp
metodo
Moulton
natural products
nineteen eighty - four
nitrogen availability ratio
normal cells
Oedamin
optical repeater power
opto-mechanical mouse
ostensible agent
palliative care unit
paradise parrot
partial circulating operation
particulate organic matter (pom)
pertussis and tetanus vaccine
petting
pheoehromocytoma
photopic visions
physiological linguistics
pithecism
pneumocrania
predisposed
proinsias
proone
quad cities
quadratic differential form
radiation detector
request ... of
retrogressive movement
school-year
second-orders
security review
semi-feudalism
slacker
soneryl
sowingmachine
space drugs
stag do
starting-up
STOC
stock yard
strength asymptote
sybaritism
teutenage
the land knows
toyeth
trade practice
trametes cinnabarina(jacquin)fries
transit times
trochonematids
two-ply
twofactor interaction
vegetation zones
vretically polarized wave
Yahagi-gawa