平均样本数

A: Why are you handing me a plastic cup? B: Your doctor wants to test your urine and needs a sample. A: How am I supposed to do that? B: We need you to urinate like you normally would, and then stop and finish into the cup. A: What am I supposed to d

发表于:2018-12-02 / 阅读(119) / 评论(0) 分类 英语情景对话-健康

[00:05.15]第十三部分 化验取样 [00:10.29]1.The first test is no problem, [00:12.92]做第一项检查没有问题, [00:15.54]but the second one has to be done on an empty stomach. [00:33.78]但第二项目得空腹做. [00:52.01]2.How long do I have to fast? [01:01.04]

发表于:2018-12-05 / 阅读(203) / 评论(0) 分类 医疗服务英语

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(110) / 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(151) / 评论(0) 分类 数学英语

A: What is that plastic cup for? B: Your doctor has requested a urine sample. A: Am I supposed to pee into the cup? B: We want what we call a clean sample. Urinate a drop or so into the toilet, and then stop the flow and urinate into the cup. A: Then

发表于:2018-12-16 / 阅读(114) / 评论(0) 分类 英语情景对话-健康

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(61) / 评论(0) 分类 英语作文

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(94) / 评论(0) 分类 Scientific American(六)月

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(163) / 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(186) / 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(154) / 评论(0) 分类 数学英语

The undersigned parties hereby agree to form a _____________ (specify type of business entity), in the state of ___________, primarily for the following purposes: ______________ The principal place of

发表于:2019-01-03 / 阅读(118) / 评论(0) 分类 财会英语

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(120) / 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(70) / 评论(0) 分类 VOA标准英语2012年(五月)

Below you will find a sample outline and the essay written from that outline. OUTLINE Paragraph 1 (Introduction) I. Leading sentence: It took me eighteen years to realize what an extraordinary influence my mother has been on my life. II. Summary of m

发表于:2019-01-20 / 阅读(145) / 评论(0) 分类 实用英语

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(69) / 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(179) / 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(69) / 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(114) / 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(73) / 评论(0) 分类 英语听力精选进阶版

A: What is that plastic cup for? B: Your doctor has requested a urine sample. A: Am I supposed to pee into the cup? B: We want what we call a clean sample. Urinate a drop or so into the toilet, and then stop the flow and urinate into the cup. A: Then

发表于:2019-02-27 / 阅读(129) / 评论(0) 分类 健康-Health
学英语单词
administrative performance
aerophor
aluminium-silicon alloy
amicable number
apron strings
askeletal
back altitude
be in sth for the long haul
bipolar moment
bodish
bow jet thruster
brokered convention
bufo bufo asiaticus
CHELYIDAE
chemical binding energy
chinju (jinju)
climb aboard
coleron
conjunctive transformations
contingent receivable
corpuscular property
dallis grasses
Damsholte
deceptive trade practices
Decomade
distal convoluted tubule
done business
duff sb up
duniwassal
earthquake history
Engels, Friedrich
epithelisin
every whips while
frostbird
glandulae labiales oris
grain cart
Grimm, Jakob (Ludwig Karl)
gulcher
Guwen
hard-shell crabs
Healthcare Sector
incanus
Inflorescence-bud
input parameter list
itea glutinosa hand- mazz
IWL
knock you out
Ladbrokes
leading edge sweep
Leptocylindrus
local perturbation
longitudinal zoning
lower apron
Maksudi
Maxwell fluid
means-testings
meetinghouse
meningitophobia
mercurammoniums
metryperesthesia
murdrum
Mwasa
myrmeleon formicalynx
Nguia-Bouar
nonvegetable
notice of withdrawal
oil-immersed type transformer
parols
pay one's duty to someone
pirated edition
possing
raise havoc
reburial
Reppe reactions
research diagnostic criterion
Rumasal
semimean
shield opening
sky clad
smudgings
soy(bean) trypsin inhibitor
sparnacian subage
stellare
still as the grave
stratigraphic division
Suaeda ussuriensis
Sufist
suplattices
surface-to-underwater
swiney
T-1384
theta antigen
thread forming machine
Tongni
trinerved
use torture to coerce a statement
valaite
velocity control servo
virtual impedance
wandering in the wilderness
winwoods
wooden stand