平均缺陷数

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(250) / 评论(0) 分类 数学英语

六级作文在备考过程中既要多记忆一些作文模板,又要多找话题,多练习自己构思作文的能力,下面就跟小编一起学习作文模板,提升自己的作文水平吧! 一、原因 1.A number of factors are accoun

发表于:2018-12-18 / 阅读(181) / 评论(0) 分类 经济学人综合

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(148) / 评论(0) 分类 英语作文

Concrete is one of the most widely used materials on the planet. And this consumption comes with a heavy ecological price. Rouzbeh Shahsavari, a materials scientist at Rice University. Around 5 to 10 percent of total CO2 emissions comes from concrete

发表于:2018-12-18 / 阅读(200) / 评论(0) 分类 2017年Scientific American(一)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(192) / 评论(0) 分类 Scientific American(六)月

Zika virus infection during pregnancy has been linked to the abnormal brain development called microcephaly. Now a study finds more evidence for the connection. Researchers at the CDC in the U.S. and the National Health Institute in Colombia found th

发表于:2018-12-24 / 阅读(159) / 评论(0) 分类 2017年Scientific American(一)月

This product is void of defects. 这产品没有缺陷。 void表示空的,be void of表示缺少,没有。上句其实等于: This product has no defects at all. defect表示缺点,缺陷,不足之处。defect可做名词也可做动词,做

发表于:2018-12-25 / 阅读(179) / 评论(0) 分类 蒋健棠英语实用句子

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(274) / 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(294) / 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(240) / 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(198) / 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(171) / 评论(0) 分类 VOA标准英语2012年(五月)

Birth Defects Rise in Former Iraqi Battleground Five-year-old Lujane is one of hundreds of children in Fallujah who have been born since 2004 with severe birth defects. Her father says Lujane suffers from multiple afflictions that Iraqi doctors strug

发表于:2019-01-14 / 阅读(178) / 评论(0) 分类 VOA标准英语2012年(十二月)

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(178) / 评论(0) 分类 VOA常速英语2013年(九月)

(一)原因1.A number of factors are accountable for this situation. A number of factors might contribute to (lead to )(account for ) the phenomenon(problem)。 2. The answer to this problem involves many factors. 3. The phenomenon ma

发表于:2019-02-01 / 阅读(184) / 评论(0) 分类 四六级写作指导

WASHINGTON, March 4 (Xinhua) -- New data suggest that the epilepsy drug Topamax (topiramate) and its generic versions increase the risk for the birth defects cleft lip(兔唇) and cleft palate in babies born to women who use the medication during pre

发表于:2019-02-03 / 阅读(156) / 评论(0) 分类 英语新闻

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(275) / 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(144) / 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(204) / 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(152) / 评论(0) 分类 英语听力精选进阶版
学英语单词
Alginodia
amplitude stabilizer
arc weld
authorization policy
Bainbrige refiex
barrel of pipe
Bezhetsk
bifocality
biomatrices
buckyball
calcium pyrophosphate
casting bottle
checking law
Convention on Cybercrime
cooked pork roll
cork plate
cost of upkeep
cultural literacy
culvahouse
Cynanchum insulanum
dianil chrome brown
disprofesses
do things by halves
domicile of the parties concerned
Dorlisheim
drawing of partial enlargement
ecoterrorists
elliptic integral of the second kind
elmore john leonards
fancifulnesses
firehouses
fission product inventory
fistuloduodenostomy
fringe cups
garling
gas temperature controller
gas-holder operation
geographic range
gerardus mercators
gracilize
have it both ways
heat transfer compound
high frequency spark source
house b/l
hyperideation
immixture
improvisatory
increasing exchange power
index of conformity
initial rolling
interactive computing
inventory committee
inverted-v leg strap
larsen's variation diagram
leucite nepheline-basanite
leyva
liquid counter tube
loan raised on the security of the vessel
lube pump
maltless
management information base
mis-education
mobile communications service
morning light
multigreaser
nardullis
neutral gas laser
nimious
nonequilibrium thermodynamical function
obliviality
ocean going barge carrier
okoro
one-way classification table
order tape
parallel gap solder
perilymph fluid
prenylated membrane protein
rehirings
scattering imperfection
shackle block
shepheards
single point method
skeen arches
skin effect rotor
split brush with metal clip
Strathpeffer
subterminal spore
Suomala
taken a fancy to
taken action
telecosms
threephase load
top stack operand
torpedo-bombers
triacid amide
tricyclicss
trumpet flower
unloader sleeve
unresolved problem
vierling
walla
xylogalactans