比例抽样样本容量估计

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(109) / 评论(0) 分类 英语情景对话-健康

M:Hello 大家好 我们是戴尔老师 Peter W:Nancy. M:Nancy, it's good to see you here. W:It's good to see you too,Peter. M:今天我们要谈的是找工作的话题。 W:Today we're going to talk about applying, application and applicant. M: 我们想去外企求职就说 W:I'm

发表于:2018-12-02 / 阅读(79) / 评论(0) 分类 英语口语红宝书

At first, there seem to be so many unknowns that the problem appears to be unsolvable. 乍一看存在太多未知的信息,这个问题根本无法回答。 That is the perfect application for a power-of-10 estimation, as we don't need an exact an

发表于:2018-12-18 / 阅读(62) / 评论(0) 分类 TED演讲教育篇

作战篇 NO.5: 兵法:一曰度,二曰量,三曰数,四曰称,五曰胜。 地生度,度生量,量生数,数生称,称生胜。 这句啥意思: 兵法:一是度,即估算土地的面积,二是量,即推算物资资源的

发表于:2018-12-29 / 阅读(66) / 评论(0) 分类 孙子兵法

1. Indeed homelessness has reached such proportions that local government can't possibly cope. 【分析】复合句。句子主干为 homelessness has reached such proportions。Indeed 表示强调;that 引导结果状语从句。 【译文】实际

发表于:2018-12-30 / 阅读(53) / 评论(0) 分类 考研英语长难句讲解

这位求职者想在饭店找份工作,面试官询问了两个问题后便让他回家等通知了,请看下面的英语情景对话。 employer: Hey,bro,what's up? 嘿,哥们,怎么啦? applicant: Hi,I wanna to seek for a position in you

发表于:2019-01-08 / 阅读(180) / 评论(0) 分类 面试英语

如何巧妙地询问面试结果? 每个求职者在面试过后,都希望能尽快知道自己是否被录用。但是如果迟迟没有得到结果,那么最好就要打个电话过去问问清楚了。 Im just calling to follow up on the st

发表于:2019-01-17 / 阅读(138) / 评论(0) 分类 实用英语

如何巧妙询问面试结果? 每个求职者在面试过后,都希望能尽快知道自己是否被录用。但是如果迟迟没有得到结果,那么最好就要打个电话过去问问清楚了。 Im just calling to follow up on the statu

发表于:2019-01-17 / 阅读(122) / 评论(0) 分类 实用英语

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(133) / 评论(0) 分类 实用英语

Beginners. There is an invasion going on in our house. It started out as an unnoticed thing, but it has grown to huge proportions. Every room of my house is affected. Every corner shows a sign of this invasion. Even my friends and neighbors have ment

发表于:2019-01-28 / 阅读(61) / 评论(0) 分类 英语博客 A cup of English

今天我们要学的词是authorized。 Authorized, 是指经过授权的。An authorized agent, 就是授权代理。最近,美国联邦政府把伊利诺伊州政府告上了法庭。The state wants to bar employers from using a federal database

发表于:2019-02-02 / 阅读(69) / 评论(0) 分类 英语每日一词

今天我们要学的词是, authorized。 Authorized, 是指经过授权的。An authorized agent, 就是授权代理。最近,美国联邦政府把伊利诺伊州政府告上了法庭。The state wants to bar employers from using a federal databa

发表于:2019-02-02 / 阅读(71) / 评论(0) 分类 英语单词荟萃

服装类 SZ SPEC---SIZE SPECIFICATION MEAS.---MEASUREMENT A/P SPL---APPROVAL SAMPLE P/P SPL---PRE PRODUCTION SAMPLE S/P SPL---SHIPPING SAMPLE FAB---FABRIC ACC---ACCESSORY BTM---BOTTOM FRT---FRONT BK---BACK PKT---POCKET PLKT---PLACKET SLV---SLEEVE CLR--

发表于:2019-02-06 / 阅读(147) / 评论(0) 分类 英文语法词汇

We Need Two of Those Do you need any typists? asked a young man seeking a job. No, said the personnel director checking the list. We have got plenty of typists. How about file clerks? asked the man. Sorry, we have many file clerks, too. Disgusted, th

发表于:2019-02-07 / 阅读(96) / 评论(0) 分类 趣味英语

The Wolf and the Lion A wolf,roaming by the mountain's side,saw his own shadow,as the sun was setting,become greatly extended and magnified,and he said to himself,Why should I being of such an immense size,and extending nearly an acre i

发表于:2019-02-09 / 阅读(111) / 评论(0) 分类 趣味英语

本期内容: Catastrophic flooding in the US state of Texas is only expected to worsen in coming days as waters rise following a storm of historic proportions. A record 30 inches of rain has already fallen on the city of Houston in the wake of Hur

发表于:2019-02-10 / 阅读(68) / 评论(0) 分类 夏说英语新闻晨读

typhoon n. 台风 rainstorm n. 暴风雨 air traffic control 航路交通管制 mechanical problems 机械故障 airport runway congestion 机场跑道繁忙 unfavourable weather conditions 天气原因不符合起飞标准 heavy fog 浓雾 heavy sno

发表于:2019-02-16 / 阅读(51) / 评论(0) 分类 早安英文

July Skies是Antony Harding的个人乐队,从开始至今的大部分时间里都是Anthony Harding的个人计划。此外,在演出和录制作品时,另一支氛围后摇乐队Epic 45也往往参与。两队音乐的确有相近之处,只不

发表于:2019-02-20 / 阅读(88) / 评论(0) 分类 金属

How do you gauge a country's well-being? The usual approach is to look at economic indicators like GDP or employment figures, or social ones like literacy levels or crime rates. But in Britain politicians are seeking a much more basic measure of the

发表于:2019-02-21 / 阅读(52) / 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(119) / 评论(0) 分类 健康-Health
学英语单词
About PIF Editor
algebraic dependence
amblychia moltrechti
angiokeratoma corporis
angit
apoptosomes
as one etc.
asdas
average corrosion rate
Baycliff
be bracketed for the prize
bona fide cost
bustup
call out for
carbodiimide
cardos (los cardos)
chances
cobalt slass
coiled-cooling pipe
communication card
complex compliance
cubeb oil
debauchee
debile
Diplococcus phnryngis commnnis
divulgater
draw up a will
dual laser
duwez
effector (jacob & monod 1961)
electric-hammer
European tarantula
exhaustive set
family Anarhichadidae
fast growing variety
fern caterpillar
four cutter bit
Frontopsylla elata botis
FWPs
General Lavalle
gnomospherical projection
Green, William
half-lined
holonarcosis
homoetrical pair
huff and puff method
incoherence
insufflater
italo
Kas'yanovo
keystream
Laeops
load hauled
Lyonia macrocalyx
mahilda
merceriser
monochrome camera
mountain wool
move in
nearerest
non-declarative
normal order of crystallization
numeric keyboard
nysa luzycka (neisse r.)
oberlander
one man's meat is another man's poison
output speed
P'yǒngsan-ri
pay stub
pedigree judging
peridotitics
phenol red test
plane profile
play a game
plica incudis
porreca
posterior tympanic artery
ram up
reactorconverter
religio-political
retracting spring
royal twill
rudolfinums
runnin fit
Smart Board
StrataFlash
stylomastoidforaman
subplotted
superstate
surface printing
tittay
toe line
topstone
transfer trajectory
transverse abdominal muscle
unable to supply
unscomfited
vagile diatom
volatileness
wallet threat
what's eating sb?
yearly average continuous operation time