准正规方程式

by Jason Marshall Weve now talked about three methods for calculating average values: the mean, median, and mode (affectionately known as the three Ms). So, are we done? Is that everything we could ever want to know about interpreting average values?

发表于:2018-12-07 / 阅读(162) / 评论(0) 分类 数学英语

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(104) / 评论(0) 分类 VOA标准英语2015年(七月)

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(218) / 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(164) / 评论(0) 分类 蒋健棠教你听英语广播

A: I was wondering if you have my test results in. B: I didn't see anything out of the ordinary, but I want you to log onto our website for a printout of all of the details. A: So, basically, I am OK? B: If there were any major problems, I would alwa

发表于:2018-12-26 / 阅读(133) / 评论(0) 分类 健康-Health

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(132) / 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(105) / 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(187) / 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(200) / 评论(0) 分类 小笨霖英语笔记

This is Scientific American's 60-Second Science. I'm Steve Mirsky. Got a minute? The 2011 Nobel Prize in chemistry goes to Daniel Schechtman of the TechnionIsrael Institute of Technology in Haifa. Schechtman discovered what are called quasicrystals.

发表于:2019-01-08 / 阅读(235) / 评论(0) 分类 Scientific American(十)月

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(128) / 评论(0) 分类 VOA标准英语2015年(三月)

A: Hello, could you tell me my test results? B: Your results are posted on the website. Just put in your password and you can see the exact numbers. A: Are you saying that all my results were normal? B: We always contact you by phone to come in if th

发表于:2019-01-15 / 阅读(197) / 评论(0) 分类 英语情景对话-健康

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(140) / 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(142) / 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(155) / 评论(0) 分类 阅读空间

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(133) / 评论(0) 分类 阅读空间

Are you a normal person? 你是正常人吗? During a visit to the mental asylum, a visitor asked the director ..., What is the criterion that defines a patient to be institutionalized? Well... said the director, we fill up a bathtub, and we offe

发表于:2019-02-06 / 阅读(160) / 评论(0) 分类 趣味英语

Are you a normal person? 你是正常人吗? During a visit to the mental asylum, a visitor asked the director ..., What is the criterion that defines a patient to be institutionalized? Well... said the director, we fill up a bathtub, and we offe

发表于:2019-02-15 / 阅读(126) / 评论(0) 分类 英语笑话(MP3+文本)

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(136) / 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(129) / 评论(0) 分类 英文短篇故事(纽约)
学英语单词
acentronura breviperula
affective equivalent
almandite-almandine
ames waltzer mouse
anglo-protestant
angosturas
beam reflector receiving aerial
Bloxam's test
blunt-ended
bootstrap loader
bosasella polyclada
brain-children
bridge instrumentation
bronchus segmentalis apicalis superior
built-in compression ratio
caesarean delivery
can-dry
carbolized agar
deep working
disposal of uncollected goods
dupplers alloy
Elizabeth of Hungary
engrappled
environment clause
Eumycophyta
felt fern
fire coinsurance
fly a kite
G.V.W.
Giroxin
Glan-Thompson prism
granular mitochondria
grassleaf daylily
heating-up time
hexapla
hydrolysates
improvingly
insurance is uberrimae fidei
jaret
kurks
lagoas
lamp support
libby
lignosulfin
little to do with
make a scoop
man-machine digital system
Manzia
marching
mcquiston
memogate
misclad
non-recoverable error
nonchromatic
nuclear capability
number of goods operations
Octoxynol-9
oonas
optimal group size
overwet
Paschi
polycose
poradenitis nostras
PPPoEs
primary hemorrhage
producing cost centers
propylene gliycol alginate
quasi-molecular ion
queens of england
recording storage tube
rejection band filters
Ringnuts
road construction machine
ronipamil
rydberg formula
screedings
screw stage
single-component flow
sit down on
sonar thumper unit
spring velocity
steering-casualty drill
stop band attenuator
sulphatic
sumario
super-duty brick
talkest
taunja
theory of anharmonic
thizz face
travelling pile-driver
troc
ultrastas
ultraviolet ray intercepting glass
Uniform Computer Information Transactions Act
upper high
vellies
waking paralyses
yolk sac placenta
z-directions
zaratn