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(67) / 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(121) / 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(97) / 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(92) / 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(112) / 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(148) / 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(118) / 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(58) / 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(142) / 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(74) / 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(89) / 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(62) / 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(87) / 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(115) / 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(103) / 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(86) / 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(220) / 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(84) / 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(145) / 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(168) / 评论(0) 分类 VOA标准英语2008年(三月)
学英语单词
accuracy and performance control document
aleron
almeyda
anisomorphism
astroglide
barella
bearing charge
black sapote
Bol'shaya Kamenka
Bonnanaro
brain-gut axis
Brownings
bruise trimmer
bubble-heads
bursae musculi bicipitis femoris superior
capped nonionics
Changhsian Age
Chomsky, Noam
come-on line
continental escarpment
Costa de la Luz
cupset
current-on contact
cyclising
DABER
Davids
deep space laser communication system
depressing Qi
desoxalic acid
dichlordioxydiamidoarsenobenzol
double discounting
electrical protective obstacle
electrohydraulic pulse motor
electron beam machining tool
ethyl oenanthate
exorista hyalipennis
farag
feed yarn
fenbuconazole
foreign exchange quota
franglibility
functioning capability
Garhi
gas station attendant
Gaussian source
heat pipe application
heavy strand
heliogravures
hold joint court trial
Home Modification
house wines
hydrosulfites
informal adoptiopn
intragroup cross-section
isofosfamide
jevan
Laruitsen
Leave Quarantine
life-changing
limiting wage increases
lock-hospital
Loongson
majorizing subset
maternities
micrococcus ovalis
millons
muggy monsoon
multisatillite colocation
Nepaleses
non-circulating lubrication
note form
Nup475
oenometers
old-agest
oxflies
oxo catalyst
palm-oil
parameter drift
peep door
phytogenetical
Plasbumin-25
pneumatic balancer
praecoracoid
preexponential factor
ribonucleic acid synthetase
rock wast
single-shot instrument
sulfids
sulfur cockatoo
suspected carrier
synchronous revolution
synoviparous crypts
technology of inorganic chemicals
timomenus shelfordi
trailing zero
Trichnellidae
ultracentrifugal characterisation
unmediatable
uterus atresia
visible spectrometer
water sealing cap
weepeth