[计] 科学取样

BOB DOUGHTY: And Im Bob Doughty. Many boys and girls like science. Some of them go to the Internet to find answers to scientific questions. Today, we will tell about a few science websites for children. (MUSIC) FAITH LAPIDUS: Millions of children aro

发表于:2018-11-27 / 阅读(349) / 评论(0) 分类 2010年VOA慢速英语(十二)月

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. In America theres a feeling of Christmas. But thats not the only winter holiday going on. Jews are lighting Hanukkah candles, Muslims recently feasted

发表于:2018-12-02 / 阅读(135) / 评论(0) 分类 Scientific American(十二)月

[00:04.49]Scientific Attitudes [00:06.97]科学的态度 [00:09.46]Science had its beginning when man started asking questionsabout his environment. [00:14.18]科学起源于人类开始对自身环境产生疑问的时候. [00:18.91]He wondered where the sun went at night an

发表于:2018-12-04 / 阅读(114) / 评论(0) 分类 大学英语自学教程上

27. Scientific Theories In science, a theory is a reasonable explanation of observed events that are related. A theory often involves an imaginary model that helps scientists picture the way an observed event could be produced. A good example of thi

发表于:2018-12-08 / 阅读(397) / 评论(0) 分类 新概念优美背诵短文50篇

LESSoN TEN TEXT A Scientific Attitudes Science had its beginning when man started asking questions about his environment. He wondered where the sun went at night and why the sky was blue. He questione

发表于:2018-12-15 / 阅读(98) / 评论(0) 分类 自考英语(一)78讲

In science, a theory is a reasonable explanation of observed events that are related. A theory often involves an imaginary model that helps scientists picture the way an observed event could be produc

发表于:2018-12-15 / 阅读(203) / 评论(0) 分类 新东方背诵文选

Chinese President Xi Jinping has issued a new call for a greater focus on scientific innovation, saying it should be the driving force for China's development. Xi Jinping's comments have been made during a stop at the Chinese Academy of Sciences. He

发表于:2018-12-19 / 阅读(93) / 评论(0) 分类 世界各地新闻集锦

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(179) / 评论(0) 分类 商务英语必备1000字

Charles is a lonely young man and Amy is a crippled girl on a wheelchair. They meet, get to know each other and begin going out together. Charles falls in love with Amy and hopes to be the only chairpusher in her life. But Amy prefers independence t

发表于:2019-01-01 / 阅读(114) / 评论(0) 分类 英语散文阅读

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(175) / 评论(0) 分类 财会英语

10 THE IMPORTANCE OF SCIENTIFIC EXPERIMENTS THE IMPORTANCE OF SCIENTIFIC EXPERIMENTS The rise of modern science may perhaps be considered to date as far back as the time of Roger Bacon, the wonderful monk and philosopher of Oxford, who lived between

发表于:2019-01-07 / 阅读(93) / 评论(0) 分类 英语背诵文选第一册

This is Scientific American's 60-Second Science. I'm Steve Mirsky, got a minute? Neandertals were our closest relatives. And now we know a lot more about them. Because researchers have for the first time sequenced a complete Neandertal genomethat of

发表于:2019-01-08 / 阅读(160) / 评论(0) 分类 Scientific American(八)月

This is Scientific Americans 60-Second Science, Im Steve Mirsky. Got a minute? The 2010 Nobel Prize in Physics goes to the University of Manchesters Andre Geim and Konstantin Novoselov for their investigations of the two-dimensional material graphene

发表于:2019-01-08 / 阅读(150) / 评论(0) 分类 Scientific American(十)月

GUY RAZ, HOST: It's the TED Radio Hour from NPR. I'm Guy Raz. And on the show today, ideas about truth, lies and denial. I want to start by asking about this word denialism. What is it - what's your definition of it? MICHAEL SPECTER: Denialism is som

发表于:2019-01-17 / 阅读(94) / 评论(0) 分类 2017年NPR美国国家公共电台6月

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(109) / 评论(0) 分类 天天商务口语

发表于:2019-02-01 / 阅读(152) / 评论(0) 分类 财会英语

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(119) / 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(136) / 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(128) / 评论(0) 分类 英语口译

第一、More than+名词表示多于、非但尤其是如: 1) Modern science is more than a large amount of information. 2) Jason is more than a lecturer; he is a writer, too. 第二, More than+数词含以上或不止之意,如: 3) I have

发表于:2019-02-21 / 阅读(110) / 评论(0) 分类 托福英语
学英语单词
accurately machined
adpositions
al-thawrahs
amorpha vulgaris
amphipathy
armload
backreef sediment
backrows
balloon carrier
bambusa dolichoclada
bibliofilms
Bol'shiye Sluditsy
boltropes
bombarding energy
Brantevik
bulloside
cast a slur on
Catambour
central fixation point
check measuring
cool-colored
copper amalgam
copper shot
coppering hammer
cranial capsule
cranking
crumble to dust
dickinson's fault-plane theory
disc flywheel
dry cleanerss
e-mail client
EIPSP
electron emissive material
episcopals
equipment unavailability
evaporation load
feels her up
foodmakers
fully directional submersible vehicle
galathea inflata
genus telopeas
give up doing
glabrifolia
haslinger
have a picnic
hedged about
high-voltage glow discharge lamp
hypnodendron reinwardfii (weinw.et hormch) lindb
improved estimation on variance
incomplete circuit
jackfish
jodargyrite (iodargyrite)
Kelcaloy method
laser scribing
light lube oil
light seeding
long - term disability
Mahdavis
main.idx
manufacture cost
micro-Winchester disk drive
molten condition
montford
morning zoo
msdos.sys
Ndaghma Barké
nighty-nighty
non-ground neutral system
non-leakage
nonlinear time base
off-rate
open track
open train billet mill
owned enterprise
palpatometry
peristerion
Pevas(Pebas)
pevy
Plasmodium durae
potassium nitrosodisulfonate
precipitate out
principle market
redundant component
Saintonge
security offering
single shaft inertia shaker
skullfucked
small end face
spindle motor
stock oil
stock-for-stock
super search mode
TCM (terminal-to-computer multiplexer)
termination condition control object
tin soldering
touch a string in someone's heart
understratums
unidentified
vailful
verbizing
whizzbangs
wikstroemia pachyrachis s.l.kai