un. 抽样模拟数据

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(226) / 评论(0) 分类 英语情景对话-健康

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(184) / 评论(0) 分类 数学英语

There were two widely divergent influences on the early development of statistical methods. Statistics had a mother who was dedicated to keeping orderly records of government units (states and statist

发表于:2018-12-15 / 阅读(340) / 评论(0) 分类 新东方背诵文选

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(182) / 评论(0) 分类 英语情景对话-健康

This is Scientific American's 60-Second Science. I'm Christopher Intagliata. Got a minute? Whether it's for streaming Netflix or sharing files, we're gobbling up more and more dataand we want it faster. But even shooting data with lasers over fiber-o

发表于:2018-12-24 / 阅读(188) / 评论(0) 分类 Scientific American(五)月

Sample 样品S: Salesclerk 售货职员 C: Customer 顾客情景对话 Dialogue对话1C: (Holding out a photo) Do you have something like this?(拿出一张照片)你有像这样的东西吗?S: Yes, we do. Just a moment, please. I'll go and bri

发表于:2018-12-26 / 阅读(145) / 评论(0) 分类 外贸服装口语

There were two widely divergent influences on the early development of statistical methods. Statistics had a mother who was dedicated to keeping orderly records of government units (states and statistics come from the same Latin root status) and a ge

发表于:2018-12-30 / 阅读(137) / 评论(0) 分类 考研背诵50篇

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(233) / 评论(0) 分类 数学英语

PPSN public packet switched network Premises Distribution System (PDS) PDS is the transmission network inside a building or among a group of buildings, for example an office park or a campus. PDS is u

发表于:2019-01-03 / 阅读(155) / 评论(0) 分类 电信英语

D type Channel Bank A D type channel bank is channel termination equipment used for combining (multiplexing) individual analog channel signals on a time division basis. D type channel banks provide in

发表于:2019-01-03 / 阅读(248) / 评论(0) 分类 电信英语

Analog - Transmitting information that is characterized by continuously variable quantities (such as with AM or FM). This is different from digital transmission, which is characterized by discrete bit

发表于:2019-01-03 / 阅读(238) / 评论(0) 分类 电信英语

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(196) / 评论(0) 分类 财会英语

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(235) / 评论(0) 分类 实用英语

SCIENCE IN THE NEWS - Rethinking the Personal Computer in a World That Centers on the InternetBy Caty Weaver and produced by Mario Ritter Broadcast: Tuesday, August 15, 2006 VOICE ONE: This is SCIENCE

发表于:2019-01-30 / 阅读(200) / 评论(0) 分类 2006年慢速英语(八)月

当很多成人还在等待苹果的iWatch上市,孩子们已经可以拥有自己的智能手表了。Kidizoom推出一款名为Vtech的儿童智能手表准备抢滩节日玩具市场。 这款儿童智能手表售价60美元,屏幕1.4英寸,可

发表于:2019-02-06 / 阅读(253) / 评论(0) 分类 阅读空间

常用句型科技文章中经常使用若干特定的句型,从而形成科技文体区别于其他文体的标志。例如Itthat结构句型;被动态结构句型;结构句型,分词短语结构句型,省略句结构句型等。 举例如下

发表于:2019-02-18 / 阅读(187) / 评论(0) 分类 英语口译

Estonian Government Aims to End Paperwork Three-day-old Oskar Lunde sleeps in a small bed at an Estonian hospital. Across the room, his father turns on a laptop computer. Now we will register our child, Andrejs Lunde says, as he lifts his identificat

发表于:2019-02-26 / 阅读(230) / 评论(0) 分类 2019年VOA慢速英语(一)月

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(200) / 评论(0) 分类 健康-Health

In Nigeria, 在尼日利亚 open-source, open-source SMS tools are being used by the Red Cross community workers 红十字会的工作人员也在使用开放的短信工具 to gather information from the local community 他们从当地社区里收集资

发表于:2019-03-04 / 阅读(192) / 评论(0) 分类 TED演讲教育篇

The humanitarian model has barely changed since the early 20th century. 人道主义的模型自从20世纪初期就几乎没有改变过 Its origins are firmly rooted in the analog age. 它的起源在模拟时代就根深蒂固了 And there is a ma

发表于:2019-03-04 / 阅读(213) / 评论(0) 分类 TED演讲教育篇
学英语单词
airraid alarm
amits
ampullaries
angusti-
antimony arsenide
antischizophrenics
arboresque
audio input device
back electromotive-force constant
bankrupt's assets
beekeepings
Berthelot method
beyond you
binary card
calorescense
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cascaded loser
centre girder
coexposures
continuous leader
contraction stress
coryloid
cost of printing notes
cursor-control keys
cyclohexyl chloride
devorando
doctorers
dreadfulness
eclipsing system
email sur bisque
Eoverbeekina
ephies schwarzeri
federal reserve bulletin
fetcher code
Fort Hancock
free-space radiation pattern
fully-fashion tricot machine
gage zero
germanium photodiode array camera tube
glaucous bristlegrasses
Great Neck
hangerock
hannabel
hecto-watts
hemorrhagic encephalopathy of rat
histioma
horizontal rice whitening machine
in a similar vein
increase gear
intersection search
joint round edges files
lentigo simplex
less-efficient
location angle
long-form bills of lading
Lympholysis
miterwort
Mkambati
modified ratio
multiplexing proxy agent
neurostimulations
nonprotein amino acid
o'riley
once-pristine
opsiblastic
panning room
polylobed
porcelain shells
postreductional disjunction
priacanthids
principate
proslaver
rack switch
Radio doppler.
refractive index profile measurement
repeat mating
Sam Rayburn Res.
selvage
skorthalia
spherical trigonometries
startup vacuum pump system
stoppage of payment
strength of attack
sucking rate
tetrahemihexahedron
thermal sensitivity set
think tank
three-terminals
time out of mind
total value of farm output
treeiness
ultrasonic radiator
union-swivel end
unsmooth
vincaine
VRL2
weakly caking coal
Wholesale transmission services
with all with all proper reserves
xenogamy
Zenist
Zygosicyos