机械抽样;机械取样

Why Don't Girls Think Like Boys? Do you believe that only boys do well in science? Does it seem to you that girls have better vocabularies than boys? In your opinion, are boys better at building thing

发表于:2018-12-05 / 阅读(83) / 评论(0) 分类 有声英文阅读

[00:00.00]A Pair of Socks 一双短袜 [00:04.33]I turned into a sock shop that caught my eye, [00:09.24]and a boy clerk who could not have been [00:11.55]more than seventeen years old came forward. [00:13.94]What can I do for you, sir? [00:15.92]I want

发表于:2018-12-06 / 阅读(91) / 评论(0) 分类 语言的力量

[00:04.78]1 Explaining where things are(pape 20) [00:11.44]Ouch!What's up? [00:15.10]I've just cut my finger on this nail. [00:19.17]Let's have a look.Oh,yes.That's quite nasty. [00:24.14]I'd better run it under the tap. [00:27.51]Have you got any pl

发表于:2018-12-13 / 阅读(304) / 评论(0) 分类 创新英语教程第一册

[00:06.77]Nylon material was placed under the Orc's body for the trip. [00:12.56]Holes had been cut for his nose, tail and fins. [00:17.45]A big mechanical arm lifted him into a special container filled with cold seawater. [00:24.97]This travel box m

发表于:2018-12-26 / 阅读(83) / 评论(0) 分类 美国英语听力80篇

UNIT 28 TRANSPORTATION Lesson 55 Part Ⅰ UNIT 28 TRANSPORTATION Lesson 55 Part Ⅰ Warming-up Exercises Spot Dictation: A New Way to Fly----the Boeing 747 Have you travelled on any of ____new giant p

发表于:2018-12-27 / 阅读(137) / 评论(0) 分类 英语听力入门 (全四册)

QC procedure 品管流程 What issues do we need to address to work out new QC procedures? 在制定新品管流程之前,有哪些問題必須先處理? quality standard 品質標準 This year, Metro Factory experienced a noticeable decline in q

发表于:2018-12-31 / 阅读(143) / 评论(0) 分类 商务英语必备1000字

1.audit 审计 2.attestation 鉴证 3.credibility 可信赖程度 4.audit of financial statements 财务报表审计 5.agreed-upon procedures 执行商定程序 6.high levels of assurance 高水平保证 7.compilation 编制 8.reliability 可靠性 9

发表于:2019-01-03 / 阅读(143) / 评论(0) 分类 财会英语

坚持不懈,直到成功。 我们每天的奋斗就像对参天大树的一次砍击,头几刀可能了无痕迹。每一击看似微不足道,然而,累积起来,巨树终会倒下。这恰

发表于:2019-01-03 / 阅读(87) / 评论(0) 分类 四六级词汇与结构练习

Rob: Hello, I'm Rob and this is 6 Minute English and I'm joined this week by Finn. Hello Finn. Finn: Hello Rob. Rob: We are in a celebratory mood this week Finn aren't we? Finn: Yes we are. We have something to shout about - it's the 70th anniversary

发表于:2019-01-07 / 阅读(118) / 评论(0) 分类 六分钟英语

各国都有各种各样的乐坛新秀选拔大赛,Some Any这支一男一女的流行团体则是来自德国的一支通过选秀节目发迹的乐团,两个人分别是年仅十八岁的女孩Vanessa Meisinger和有着一半巴西血统和一般

发表于:2019-01-10 / 阅读(111) / 评论(0) 分类 天籁音乐

音乐咖啡厅:Some Any - Mechanical heart 相关介绍:各国都有各种各样的乐坛新秀选拔大赛,Some Any这支一男一女的流行团体则是来自德国的一支通过选秀节目发迹的乐团,两个人分别是年仅十八岁的

发表于:2019-01-11 / 阅读(187) / 评论(0) 分类 音乐咖啡厅

1.Bending 弯曲 A: What kind of parts do you usually need to bend? B: Tubular parts or stampings. A:什么样的零件一般需要进行弯曲加工? B:管状零件或冲压件。 2.Cycle time 工作周期 A: What is the cycle time of the injection molding machine? B: Three

发表于:2019-01-21 / 阅读(85) / 评论(0) 分类 天天商务口语

My amazement at his pride and joy in salesmanship will be easily understood by all who read this article. In many shops the customer has to wait for someone to wait upon him. And when finally some clerk does deign to notice you, you are made to feel

发表于:2019-01-28 / 阅读(79) / 评论(0) 分类 英语小达人

69 促使切尼副总统心脏跳动的机械装置 DATE=7-17-01 TITLE=SCIENCE IN THE NEWS #2133 - Heart Devices BYLINE=Jerilyn Watson VOICE ONE: This is Sarah Long. VOICE TWO: And this is Steve Ember

发表于:2019-01-30 / 阅读(108) / 评论(0) 分类 科技之光

发表于:2019-02-01 / 阅读(118) / 评论(0) 分类 财会英语

Consumer Electronics Show 国际消费类电子产品展 No.1: Einstein Alive Again? 爱因斯坦复活了? No.2: Another Reason for Staying in Bed 赖床有了新理由 No.3: Diamond Is So Obsolete 订婚买钻石真是太没新意了 No.4: The 1s

发表于:2019-02-01 / 阅读(112) / 评论(0) 分类 英语新闻

有时候,请你写推荐信的人并不都是在行业内做出了很大成绩的人。这时你可能会觉得没有什么可写的、也很难将空泛的溢美之词放在这个人身上。其实,你可以写一些这位员工的工作细节,

发表于:2019-02-09 / 阅读(68) / 评论(0) 分类 求职英语

It's a stat that gets bounced around as e-mail-forward wisdom: men think about sex every seven seconds. Even when the idea lacks this mythical specificity and grandiosity (that's 7,200 times a day!), the idea that men think about sex basically all th

发表于:2019-02-17 / 阅读(96) / 评论(0) 分类 阅读空间

natality 生育 fertility 生育率 fecundity 生育能力 birth rate, natality rate 出生率 births 出生人数 parity 胎次 premature birth 早产 life birth 活产 stillbirth 死产 birth peaks 出生高峰 mortality 死亡 mortality rate 死亡率

发表于:2019-02-18 / 阅读(105) / 评论(0) 分类 实用英语

left-skewed 左偏 negative-skewed 负偏 right-skewed 右偏 positive-skewed 正偏 contingency table 列联表 sampling distribution (of a statistic)(某个统计量的) 抽样分布point estimate 点估计值 point estimator 点估计式 unbiased

发表于:2019-02-18 / 阅读(99) / 评论(0) 分类 英语口译
学英语单词
a tannin'
absolutus
acetylene urea
acyloin
ageing room
al yazid
approach course
argos
babyland
Baer's method
be about
be at peace with
bell tents
benign mesenchymoma
blank checks
character base
coniometer konimeter
current transfers
D thorium
d'hoker
diffusion factor
dihexagonal-dipyramidal
dynamitron
El Pájaro
equiphase plane
fermions
flashing powder
form genera
frequency count
fundraised
Galium quinatum
gallotta
gendles
genus Eschscholtzia
genus sarcoptess
George Frederick Handel
GLOBALnet
graft and corruption
gravity accumulation
greater galago
Hawkyns, Sir John
horological machine tool
household article
internal lip
internal reactance
Jones's albumose
Kalevala
keyin'
kick in the butt
kinesiesthesiograph
klinit
Kuala Lumpur Stock Exchange
L.L.T.
lack of identification
lady by birth
last in first out method
legislatour
magnetic friction cluth
master catalog
medium-resolution infra-red radiometer (mrir)
meso-Erythritol
Much water has passed under the bridges since.
multibranch
multiple random variables
museens
nadels
naloxonazine
nodular corrosion
normal circulation
off-gas treatment system
p-Cresyloxymethylpenicillin
paisleyisms
panpsychistic
perdu
perform an experiment
petrosectomy
pomiglion
preset controller
Primula cortusoides
pyrryldipyrrylmethene
racket case
razor wire
re-interviews
reoccurrence
Santa Filomena
Securities analysts
sensory evaluation
sex determination
sheltery
shetienchiao series
so.l
spingolipid
strapped for
superposition structure
tailbud
tattooing
tricosanic acid
true-false of syndrome
ultra-violet short
ventral trunk muscle
Wollemia