音标:[prəˈpɔ:ʃənəl ˈsɑ:mpl] ;
比例抽样器
词型变化:名词复数形式 : proportional samples
【近义词】

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(113) / 评论(0) 分类 英语情景对话-健康

More and more of the world's population are living in towns or cities. The speed at which cities are growing in the less developed countries is alarming. Between 1920 and 1960, big cities in developed countries increased two and a half times in size,

发表于:2018-12-03 / 阅读(76) / 评论(0) 分类 英语听力小短文走遍全世界

Narrator: Exercise 4.9. Lecture 4: Interviewer: Will you please welcome Vernon Applethwaite, a lecturer in political science at Worthington University, California, who is here today to discuss the types of voting systems in existence in various democ

发表于:2018-12-04 / 阅读(62) / 评论(0) 分类 202 Useful Exercises for IELTS

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(111) / 评论(0) 分类 英语情景对话-健康

Gain - This is an increase in signal power, due to a boost from an electronic device. Garbage - These are unwanted characters that appear because of either incorrect settings or noise. Gate - These ar

发表于:2019-01-03 / 阅读(96) / 评论(0) 分类 电信英语

Earth Station - The term used to describe the combination of antenna, low-noise amplifier (LNA), down-converter, and receiver electronics that are used to receive a signal transmitted by a satellite.

发表于:2019-01-03 / 阅读(84) / 评论(0) 分类 电信英语

And I had to quit and come and do this thing called A Better Place. 我于是退出了SAP的CEO的竞选,开始了这个名为更美好的地方的方案。 Now we then decided to scale it up. We went to other countries. 然后我们决定把这个方

发表于:2019-01-03 / 阅读(83) / 评论(0) 分类 TED演讲科技篇

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(138) / 评论(0) 分类 实用英语

The official results for the election were announced on Saturday. 270,000 special votes were counted and all other votes were re-counted. Special votes were votes by people who were not in their own electorate on Election Day. Some of these people we

发表于:2019-01-27 / 阅读(59) / 评论(0) 分类 新西兰英语

The Laws of Work 工作法则 After any salary raise, you will have less money at the end of the month than you did before. 涨工资以后,到月底你兜里剩下的钱会比以前还少。 Don't be irreplaceable. If you can't be replaced, you ca

发表于:2019-01-28 / 阅读(82) / 评论(0) 分类 英语小达人

At Principia's heart were Newton's three laws of motion (which state, very baldly, that a thing moves in the direction in which it is pushed; that it will keep moving in a straight line until some other force acts to slow or deflect it; and that ever

发表于:2019-01-29 / 阅读(64) / 评论(0) 分类 万物简史

1. Everything can be filed under miscellaneous. 任何事都能归为杂事。 2. There is never enough time to do it right the first time, but there is always enough time to do it over. 永远没有足够的时间在第一次就把事情做好,但永

发表于:2019-02-01 / 阅读(94) / 评论(0) 分类 实用英语

(Earthquake) intensity (地震)强度-梅卡利仪测量破坏程度 (Earthquake) magnitude (地震)烈度-里氏仪测量震感强度 After shock余震 Alternative risk transfer 新型风险转移 Anti-seismic design (房屋)抗震设计 Business interruption 营业中断险 Capacity 承

发表于:2019-02-05 / 阅读(68) / 评论(0) 分类 英文语法词汇

Britain may like to find out about more our voting system in elections. Our system gives smaller political parties a chance to be part of the government. We have MMP which is one kind of proportional representation. If a party gets a proportion of th

发表于:2019-02-07 / 阅读(67) / 评论(0) 分类 新西兰英语

Beetle: Stronger than Hulk? 甲虫强过绿巨人? As we know from the movie, the Hulk is a guy who, when he gets angry, turns into the strongest, meanest creature on earth. The natural world features a few amazing ly strong creatures of its own. I

发表于:2019-02-16 / 阅读(68) / 评论(0) 分类 英语听力文摘 English Digest

non-payment 不缴付;不付款 non-performing assets 非营运资产 non-performing loan 非营运贷款;不履约贷款 non-profit-distributing body 非分配利润的组织 non-profit-making 非牟

发表于:2019-02-17 / 阅读(77) / 评论(0) 分类 财会英语

property passing on a death 死者去世时转移的财产 property portfolio 房地产投资组合 property situated outside Hong Kong 在香港以外地方的财产 property tax 物业税 property t

发表于:2019-02-17 / 阅读(81) / 评论(0) 分类 财会英语

New Zealand has had MMP voting for our Members of Parliament for the last 16 years. MMP means Mixed Member Proportional. The system we had before MMP was called First Past the Post, like horse racing, where the winner was the one with the most votes.

发表于:2019-02-18 / 阅读(76) / 评论(0) 分类 新西兰英语

Today is the first Thursday in May, which is often an election day in Britain. People in many parts of England are voting today in local council elections. In Scotland there are elections to the Scottish Parliament, and in Wales there are elections t

发表于:2019-02-19 / 阅读(52) / 评论(0) 分类 听播客学英语

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:2019-02-27 / 阅读(125) / 评论(0) 分类 健康-Health
学英语单词
a fertile imagination
adress
air swallowing
ankle-clonus center
apodized transducer
arithmetical check
at sb.'s hand
attackee
automatic response query
bacco
back saw
be all over and done with
beam rotation
bipolar circuit
bromophenol red
bubble plate
caravan-park
chin rests
chmielewski
Clarión, I.
clinical ecologist
compensatory movements
composite numbers
computer-based consulting system
Concesio
Coppermine
cuclillas
deposit vault
deviation amplitude
donepezil
egglayers
femto-farads
Feuillant
fits and starts
Florence Hill
foamed polyethylene
geographimetrics
Gopala
gyratory screen
hautbois(strawgerry)
horizontal airspace
hot machine shop
hydroplasma
in the same oven
Indiaporã
infrared microspectrometer
intermediate node
jolious
Kadsura renchangiana
last vessel of the tow
latex proofing
leucite ijolite
Liebenscheid
magastromancy
magnetic attenuator
maharajas
many valley
measurement data presentation
mechanically operated substrate
mercians
mercury storage
model acts
moofs
morello cherry bark
niaoulis
numerical indicator tube
outdraws
patch worker
peeples
photo-dot plotter
physiographic analysis
pla man
Pompeian blue
portable radio set
power return
procreations
puccinia glechomatis
redcars
resnaiss
reverse image search
rim size
Rkîz
Rosa soulieana
round hollow back
Sakhuli
scrap chute
semiindirect
sentosa
set sb's teeth on edge
sharp reduction
short talk
spead
strain indicating lacquer
symbol registration file
system page table
TLCC
trigonometric leveling
twelvish
unmaidens
verifiest
ykk
yua