拉普拉斯离差

For nearly 130 years, the worlds scientists have used a singular small, metal cylinder to define the exact weight of a kilogram. But that is about to change. The cylinder was made in 1889 of platinum and iridium metals. It is called the Grand K. The

发表于:2018-12-08 / 阅读(52) / 评论(0) 分类 2018年VOA慢速英语(十一)月

This can be used to practice Count and Non-count nouns in context. When talking about non-count items (such as sugar, water, toothpaste, etc.), it is common to use measure words to indicate how much of the substance you are referring to. Below are a

发表于:2018-12-17 / 阅读(98) / 评论(0) 分类 英语词组对话

[ti:] [ar:] [al:] [by:] [00:01.19] Love Without Measure 无条件的爱 [00:05.89]Freda Bright says,Only in opera do people die of love. [00:11.69]Its true. You really cant love somebody to death. [00:16.17]Ive known people to die from no love, [00:1

发表于:2018-12-26 / 阅读(79) / 评论(0) 分类 温馨夜读

1. barometer /bəˈrɔmitə/ -- instrument for measuring atmospheric pressure as an aid in determining probable weather changes When the barometer indicates a rapid drop in air pressure, it means a storm is coming. 气压计显示出气压快速下降时

发表于:2018-12-30 / 阅读(76) / 评论(0) 分类 突破英文词汇

说一口流利的英语,从简单的单词开始。 听听,读读,背背,今天你的词汇量又增加了5个。 单词/词义 中英例句 单词听读 arm [ B:m ] He received a call to arms

发表于:2018-12-30 / 阅读(99) / 评论(0) 分类 每日攻克5词

说一口流利的英语,从简单的单词开始。 听听,读读,背背,今天你的词汇量又增加了5个。 单词/词义 中英例句 单词听读 measure [ 5meVE ] Please measure me fo

发表于:2018-12-30 / 阅读(133) / 评论(0) 分类 每日攻克5词

How do you measure your own success? 你如何衡量自己的成功? How much satisfaction I get from doing the job and how much I contribute to the success of the organization I work for. 成功与否是以我能从工作中得到多少满足感和我

发表于:2018-12-31 / 阅读(100) / 评论(0) 分类 必背英文面试口语

Love without measure Freda Bright says,Only in opera do people die for love. It's true. You really can't love somebody to death. I've known people to die from no love, but I've never known anyone to be loved to death. We just can't love one another e

发表于:2019-01-02 / 阅读(46) / 评论(0) 分类 每天一点英文

Each year, millions of students complete their study programs at the colleges and universities across the United States. The new graduates receive an official piece of paper from their schools. This paper is known as their degree. It states what kind

发表于:2019-01-02 / 阅读(127) / 评论(0) 分类 2017年VOA慢速英语(四)月

Digital Access Protocol(DAP) 数 字 访 问 协 议 Digital Volt Meter(DVM) 数 字 电 压 表 Digital TeleVision(DTV) 数 字 电 视 digital circuit 数 字 电 路 digital 数 字 的 data safety

发表于:2019-01-03 / 阅读(57) / 评论(0) 分类 电信英语

Direct Inward Dialing (DID) DID is PBX-to-central office trunks that allow incoming calls to a PBX to ring specific stations without attendant assistance. DID greatly reduces the number of required co

发表于:2019-01-03 / 阅读(72) / 评论(0) 分类 电信英语

LULU GARCIA-NAVARRO, HOST: There are many issues on the ballot this Tuesday. And in Louisiana, voters will decide whether to require a unanimous jury verdict for criminal convictions. A proposed state constitutional amendment would repeal a Jim Crow-

发表于:2019-01-17 / 阅读(50) / 评论(0) 分类 2018年NPR美国国家公共电台11月

Grammar Girl here. Today's topic is units of measurethose words and symbols that come after numbers. This first point might seem self-evident: you put a space between the number and the unit of measure. Even though it seems obvious, I'm telling you b

发表于:2019-01-30 / 阅读(75) / 评论(0) 分类 英语语法 Grammar Girl

By Deborah Tate Washington 20 September 2007 Legislation to regulate U.S. troop deployment cycles in Iraq was blocked in the U.S. Senate late Wednesday by Republican opponents who argued the measure could undermine the war effort. The action was a bl

发表于:2019-01-31 / 阅读(97) / 评论(0) 分类 2007年VOA标准英语(九月)

I dread to come to the end of the year,said a friend to me recently, it makes me realize I am growing old. William James, the great psychologist, said that most men are old fogies at twenty-five,He was right. Most men at twenty-five are satisfied wit

发表于:2019-02-06 / 阅读(89) / 评论(0) 分类 阅读空间

WASHINGTON, Feb. 23 (Xinhua) -- U.S. state of Maryland's legislature on Thursday approved same sex marriage and the state's Democratic governor is expected to sign it into law. The state Senate voted 25-22 to approve the law, less than a week after t

发表于:2019-02-08 / 阅读(65) / 评论(0) 分类 英语新闻

By Dan Robinson Capitol Hill 14 November 2007 On Capitol Hill, another fierce debate is underway about the war in Iraq, as the Democratic-controlled House of Representatives considers a measure to provide $50 billion in short-term funding for U.S. mi

发表于:2019-02-11 / 阅读(202) / 评论(0) 分类 VOA常速英语2007年(十一月)

PENGUIN:What continent (大陆)is this ? ZEBRA:Manhattan(曼哈顿). PENGUIN:Hoover Dam(胡佛水坝/惨)!Were still in New York.Abort(终止计划).Dive(跳水,此处指下潜)!Dive!Dive. ZEBRA:Hey.You in the tux(燕尾服)

发表于:2019-02-16 / 阅读(69) / 评论(0) 分类 跟着美剧练发音

4 Ways to Measure Your Standard of Living Standard of living should not equate to amount of spending. When I sat down to write an article on the countries with the highest standard of living, I thought it would be easy. But, how do you define standar

发表于:2019-02-18 / 阅读(107) / 评论(0) 分类 阅读空间

By Dan Robinson Capitol Hill 14 March 2008 The U.S. House of Representatives has approved a Democrat-crafted foreign intelligence surveillance law that contains provisions strongly opposed by President Bush. VOA's Dan Robinson reports from Capitol Hi

发表于:2019-02-20 / 阅读(151) / 评论(0) 分类 VOA标准英语2008年(三月)
学英语单词
3-bromo-1-propanol
Al Quway'īyah
allevardite
apparent material
application right
associative page organization
atomic marine power plant
avinu
bait fishing
Baldung-Grien, Hans
bean-tree
business improvement district
cardiacal
cathode life
centring wedge
cervus unicolors
chease
chrysosoma patellifer
Cibuni, Sungai
cicatrine
coding fee
coefficient of self oscillation
college campus
connivent
crux head
cultivatorhiller
data move instruction
decimolar
Dexameth
diaphragm coupling
diethibutin
diplazium subsinuatum
dressing stool
duodenal bulb
effusivity
electric resistivity of wood
electrospray interface
familial hyperalphalipoproteinemia
female animals
first (ex)press juice
gain cross-over frequency
glyptolith
hagbusser
heart yang
heat-absorbing
hyogoes
instance of judgment
jailhouse
lamp method
landrecht
lavrenti
log strip
long lines of communications
lumbar lymphatic trunk
lyond
Lübbecke
Mag.
maharani
main way
make a practice of
mandibular fossa
marcfortine
motor point
Mount Barnett
multicellular glass
muscular hemorrhage
natural zeolite
papermaking engineering
passive compensator
penally
photoglyph
polycentered arch
pourchet
primer cartridge
principle of equitable burdensharing
quantity surveyors
reactive sintering
restaruant
Septuagint
serotiny
Shilha
southfld
spirarck
Srebǔrna
standard basis
stretchmarks
stripline bends
stud link chain
superserious
surquidous
Tehreek-e-Insaf
theme song
tickclover
touters
transmodal
trickle irrigator
twank-a-pank
up oneself
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Wheatsheaf I.
Yazoo National Wildlife Refuge