平均样本数函数

A Just stop and think how important numbers are to our lives. Numbers control us. In fact, we are numbers. We have passport numbers, social security numbers, ID numbers, and more. We live in a house and a street that has a number. We communicate with

发表于:2018-12-04 / 阅读(207) / 评论(0) 分类 听一分钟英文-N

传真菜单 要我把各种菜单传给您吗,先生?这样您可以做一下比较。 A:Would you like me to send you our range of menus so that you can compare, sir? It'll also include details of prices per head and the floor plans of our fu

发表于:2018-12-05 / 阅读(203) / 评论(0) 分类 酒店英语口语就该这么说

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(221) / 评论(0) 分类 数学英语

by Jason Marshall In recent articles, weve talked about two methods of calculating average values, the mean and the median, and weve talked about some everyday uses for them such as how to use median averaging to get better photos. But thats not all

发表于:2018-12-07 / 阅读(295) / 评论(0) 分类 数学英语

Directions: Study the following graph carefully and write an essay in which you should 1) analyze the graph, and 2) give your comments on the trend. In recent years there has been a dramatic rise in the cell phones, which are now essential to mi

发表于:2018-12-18 / 阅读(167) / 评论(0) 分类 英语作文

Our first report: soldiers with the U.S. National Guard, part of the military, are headed to the border between America and Mexico. President Donald Trump signed a memorandum earlier this week to deploy the guard there. He wrote that under former Pre

发表于:2018-12-20 / 阅读(172) / 评论(0) 分类 CNN美国有线新闻2018年6月

Not many scientific studies begin like this: Many hours of watching YouTube clips. Trying to find as many yawns as possible. But for Andrew Gallup, an evolutionary psychologist who studies yawning at the State University of New York, it was all in a

发表于:2018-12-24 / 阅读(200) / 评论(0) 分类 2016年Scientific American(十)月

Have you been having some trouble getting some digits lately when you ask a girl out? Maybe you should check what music is playing. Thats what French psychologists found. They published their research in the journal Psychology of Music. First the res

发表于:2018-12-24 / 阅读(243) / 评论(0) 分类 Scientific American(六)月

听广告学英语:RICHON Aficio Digital Multi-function System理光数码多功能系统 原文:Mary:Everybody calls me a multi-function secretary. One of her bosses (gives her a pad of paper):Mary, pick up this. Mary:Because I have to serve several bosses. Anothe

发表于:2019-01-02 / 阅读(366) / 评论(0) 分类 听广告学英语

by Jason Marshall In the last article, we talked about averages and one specific way statistics can help answer questions without letting emotions interfere. But the type of average value we talked about is just one of manyuseful meanings assigned to

发表于:2019-01-02 / 阅读(313) / 评论(0) 分类 数学英语

by Jason Marshall In the last few articles, weve talked about decimals and how theyre related to fractions through the process of division. Now, its time to turn our attention to some practical applications of these tools. Up first today were talking

发表于:2019-01-02 / 阅读(334) / 评论(0) 分类 数学英语

by Jason Marshall In the last article, we learned that there are several ways to calculate the average value of a sample of data. We focused on one such method, the arithmetic mean, and used it to calculate the average number of potato chips in a bag

发表于:2019-01-02 / 阅读(290) / 评论(0) 分类 数学英语

By Paul Sisco Washington, DC 19 April 2006 watch Severe Weather report Several weeks of unusual and severe weather in the U.S. are not being specifically linked to global warming but they are causing

发表于:2019-01-13 / 阅读(234) / 评论(0) 分类 2006年VOA标准英语(四月)

C Isn't Average in All Schools Any More Theres an old, but often-played, song by the late Sam Cooke whose lyrics go, in part: Now I don't claim to be an A student But I'm trying to be. And so are millions of other American children each school term.

发表于:2019-01-13 / 阅读(199) / 评论(0) 分类 VOA标准英语2012年(五月)

A Just stop and think how important numbers are to our lives. Numbers control us. In fact, we are numbers. We have passport numbers, social security numbers, ID numbers, and more. We live in a house and a street that has a number. We communicate with

发表于:2019-01-21 / 阅读(202) / 评论(0) 分类 纯正英语一分钟

C Isnt Average in All Schools Any More 字母不再用来表示成绩了 Theres an old, but often-played, song by the late Sam Cooke whose lyrics go, in part: 已故的山姆库克有首老歌经常有人表演,它的部分歌词是这样的: Now

发表于:2019-02-01 / 阅读(201) / 评论(0) 分类 VOA常速英语2013年(九月)

WASHINGTON, Jan. 27 (Xinhua) -- The number of Americans initially applying for unemployment aid last week rose by 51,000 from the previous(以前的) week, the U.S. Labor Department reported Thursday. The Labor Department said that the advance fi

发表于:2019-02-06 / 阅读(304) / 评论(0) 分类 英语新闻

Study the following graph carefully and write an essay in which you should 1) analyze the graph, and 2) give your comments on the trend. In recent years there has been a dramatic rise in the cell phones, which are now essential to millions of people

发表于:2019-02-18 / 阅读(162) / 评论(0) 分类 英语作文

You might think that just one cigarette 'can't hurt'. But it could in fact cost a smoker almost 14 minutes of their life, according to new calculations. A new website has worked out how much time a smoker, alcoholic or a drug addict will lose, each t

发表于:2019-02-20 / 阅读(244) / 评论(0) 分类 英语新闻

What is a fair wage? Why aren't more people in the world offered pay equality? These are some of the questions the United Nations International Labour Organisation (ILO) has recently investigated. With a global population of over seven billion, is it

发表于:2019-02-21 / 阅读(188) / 评论(0) 分类 英语听力精选进阶版
学英语单词
2'-Deoxyguansine
air machine
Alaskan king crab
Albertirsa
anthropometric identification
Asteroconites
at-larger
auctionable
aviation psychology
be founded on a rock
bedsheets
bisets
Bol'shoy Kavkaz
carry one's heart upon one's sleeve
cash memo
channeling corrosion
class of commodity
closed respiratory gas system
combinational logic
conjugate ellipses
crotonic acid
diarrhoeagenic
diffusing lens
dyeds-in-the-wool
ekow
end-of-excerpt
external emission peak
extraaxillary
extratextuality
extremely-low frequency (elf)
fitness consultant
flickiest
fog curing
foundation college
fried pie
frost splitting, frost weathering
genus Diomedea
geography of goods flow
get the hang
good-humoured
grammopodius
grizzly bear
grow away from
heterogonies
hypertrophic rosaceas
hypoproteinaemic
import-substituting
intermediate temperature setting
inula britannica
investigation of fraud
land nationlization
leaf cacti
lhotses
Longtam
LSC (least significant character)
microbial cleaning
milking stage
multiage
muningin
napili
negative stagger
neumayer screen
noncondensable gas
nonrepaying
norminal speed
nuclear safeguard
oil jet path
overacceleration
overtrades
parcellates
pascin
pay in warrant
pay up a debt
peripheral joint of arch dam
pipple
piss-up
plug - in board
premium loan
prudencies
Ramus communicans cum nervo vago
rerobe
resources cost
reuel
reyson
royal disease
sandstone soil
Shijǒng
sightproof louver
superfaced welding rod
superheterodyne
television luminance signal
Tephthol
tert.-butyl peroxyisopropyl carbonate
tractyse
turn color
undistressing
Uvaria macclurei
water pockets
well used
wenge
where one lives
wood shavingss