乘抽样方法

by Jason Marshall In the last two articles weve talked about the meaning of multiplication and how to use this meaning to make multiplying fractions easier. Today, were going to put everything weve learned about multiplication to good use by learning

发表于:2018-12-07 / 阅读(290) / 评论(0) 分类 数学英语

by Jason Marshall In the last article, we began discussing how to convert from one system of units to anotherfor example from miles to kilometersand how all of this relates to the multiplicative identity. But we didnt quite have enough time to get to

发表于:2018-12-07 / 阅读(279) / 评论(0) 分类 数学英语

1.Fuel your body with an amazing breakfast用美味的早餐给你身体充能 Have you ever noticed how some mornings you feel great and ready to tackle the world, and other days you have a mid-day slump? Having a healthy breakfast can help keep you

发表于:2018-12-12 / 阅读(252) / 评论(0) 分类 实用英语

Transcript This is Scientific American's 60-Second Science, I am Cynthia Graber.This will just take a minute. Physicists at the Brookhaven National Laboratory have been able to send information ahead of particle beams racing at nearly the speed of li

发表于:2018-12-24 / 阅读(357) / 评论(0) 分类 Scientific American(二)月

每期节目一话题,让英语磨练耳朵的同时学到更多有益的小知识,丰富知识的同时受益于生活。 Time-management tips 时间管理技巧 Work around procrastination. 克服拖延症。 Try Francesco Cirillo's Pomodoro Te

发表于:2018-12-27 / 阅读(311) / 评论(0) 分类 英语听力广播—Listening

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(362) / 评论(0) 分类 商务英语必备1000字

If you are like many language students, you might have a problem with procrastination. Perhaps you are slow to do homework or study for a test. Maybe you do not like to study or you become distracted while studying. Whatever the case may be, learning

发表于:2019-01-02 / 阅读(640) / 评论(0) 分类 2017年VOA慢速英语(六)月

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(346) / 评论(0) 分类 财会英语

2. agri 你已认识field是“田地”, 你是否也知agri的意义? 在有关农田的词汇里, field竟都被agri所代替。 agri=field 田地,农田(agri也作agro,agr) 1. agrology agr

发表于:2019-01-06 / 阅读(319) / 评论(0) 分类 英文语法词汇

Vacationing on the island of Oahu, we were waiting in our tour bus for some stragglers to show up. A man, obviously not with our group, approached the bus and was about to board. How would our driver

发表于:2019-01-11 / 阅读(419) / 评论(0) 分类 英汉幽默故事选读

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(265) / 评论(0) 分类 天天商务口语

By Carol Pearson Washington 08 January 2008 New technology makes surgery safer, shortens recovery time and leaves no scars. Both physicians and patients are pleased with the results. VOA's Carol Pearson has more. Maria Viruet recently had her gallbla

发表于:2019-01-31 / 阅读(340) / 评论(0) 分类 VOA标准英语2008年(一月)

发表于:2019-02-01 / 阅读(300) / 评论(0) 分类 财会英语

Vacationing on the island of Oahu, we were waiting in our tour bus for some stragglers to show up. A man, obviously not with our group, approached the bus and was about to board. How would our driver handle the situation, we wondered. Straight-faced,

发表于:2019-02-03 / 阅读(295) / 评论(0) 分类 趣味英语

The Federal Bureau of Investigation's secret method for unlocking the iPhone 5c used by one of the San Bernardino shooters will not work on newer models, FBI Director James Comey said. 美国联邦调查局局长詹姆斯科米近日表示,FBI用于破

发表于:2019-02-15 / 阅读(290) / 评论(0) 分类 英语新闻

Reproductive technology 生殖技术 Mum, Dad and Mitomum 妈妈,爸爸与代孕妈妈 Britain may allow babies with three biological parents 英有望允许新生儿有三个亲身父母 ASSISTED reproduction is one of those rare areas in which Br

发表于:2019-02-16 / 阅读(333) / 评论(0) 分类 经济学人科技系列

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(260) / 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(268) / 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(261) / 评论(0) 分类 英语口译

知识点讲解: 1、中文意思一样 insist persist 2、两个词长得像 special specialty 3、长得像+中文意思一样 technique technology ① Technique 方法、技巧 Hes a great basketball player. He has flawless technique. 他是位很

发表于:2019-02-21 / 阅读(299) / 评论(0) 分类 每天三分钟学英语
学英语单词
-plasia
a go - go
acetic alcohol
administration order
algam
allelomorphic
anni mirabiles
antonacio
barrow
bass bombs
bench testing
braising steak
brosephines
bullous exostosis
calender-van dusen equation
Capinone
Carson, David
clearance sale
common normal length measurement
constant duty cycle
cup trimming machine
d-to-a
Dalbergia pinnata
delivery efficiency
dibble seeding
disaster-relief
dislocation coalescence
dynamic tuning
ellipsodes scriptus
excess weld metal
fair charge
female homogamety
fetis
fibreglassing
fir-tree blade
flow-rate
Gega
general board
genus anatotitans
Gopeng
hemizygote
heterosexual
hexamethylaurine
hormone secretion
hydroxyl-metacrylate
increasing progression
irascibleness
Kamudi
kennelmaster
knife seal
kohlrausch bridge
lambert equal-area meridianal map projection
lateral arm
leaf spot of kaki
longicyclane
lymphrnoditis
macula (pl.maculae)
mark imprint
mercurammonium-
Miletto, Mte.
mitigatest
motor driven railway crane
Multifamily loans
news-printing paper
nonheme iron
ordinal scaling
out of key with
overturning of vehicle
oxide ceramics
paohsingensis
parity option
PBSQ
pedunculi
pes excavatus
phase of relaxation
plea-bargain
portsmouth
position independent code
Prothero's rule for helix formation
radiatio striothalamica
reprover
resistive ratio device
ruthenium monohydroxytrichloride
ruthenium trihydroxide
sala's cell
semi-centrifugal type
Shumarinai-ko
skrik
spdt (single pole double throw)
spray electrification
step tread board rubber cover
subfuscous
Suktel R.
tapered incrcaser
third-culture
thrust bed
unjamming
want ... to do
wax tablet
weed injury
wolf-child
written declaration of war