无线电通信频率

When Scotsman Alexander Graham Bell invented the telephone in 1876, it was a revolution in communication. For the first time, people could talk to each other over great distances almost as clearly as if they were in the same room. Nowadays, though, w

发表于:2018-12-07 / 阅读(180) / 评论(0) 分类 英文杂志-Magazine

Welcome to Words and Their Stories, from VOA Learning English. On this program we explore common expressions in American English. Like all languages, our expressions come from everywhere. They come from nature, sports, and food. They come from money,

发表于:2018-12-08 / 阅读(316) / 评论(0) 分类 2018年VOA慢速英语(七)月

[00:-1.00]Learning to learn Listening Part C [00:-2.00]How Good Are You? [00:-3.00]1 Listen to four dialogues.Match the dialogues with the places. [00:-4.00]Unit 4 Cyberspace Warm-up [00:-5.00]Lesson 13 [00:-6.00]Listen to four experts.which predicti

发表于:2018-12-13 / 阅读(253) / 评论(0) 分类 高中英语北京必修模块

This is Scientific American's 60-Second Science. I'm Christopher Intagliata. Got a minute? Why do some chords sound sweet but others make you wince? Well it appears our earsor at least the ears of 250 Minnesota undergradsprefer chords containing harm

发表于:2018-12-24 / 阅读(224) / 评论(0) 分类 Scientific American(五)月

Not rocket science? 不是什么深奥的技术? Its not rocket science. 不是 Now...when you were first coming in contact with these computers and inventing them before the HP1900, 最早接触HP1900时 you do talk about writing programs. 你谈到

发表于:2018-12-27 / 阅读(176) / 评论(0) 分类 名人传记

A New York City entrepreneur is seeking investors for his No Bark startup. With enough investment money, Ty Cobb says, he will be able to discover the melodies that, when played, will instantly quiet barking dogs. Because dogs hear sound frequencies

发表于:2018-12-31 / 阅读(206) / 评论(0) 分类 365个英语简短小故事

Mobile phones by Craig Duncan When Scotsman Alexander Graham Bell invented the telephone in 1876, it was a revolution in communication. For the first time, people could talk to each other over great distances almost as clearly as if they were in the

发表于:2019-01-02 / 阅读(229) / 评论(0) 分类 英语音频杂志

Students who listened to different chords rated as more pleasing the ones that westerners think of as harmonious, the individual notes of which have definite mathematical relationships 【英文文本】 Why do some chords sound sweet but others make

发表于:2019-01-02 / 阅读(214) / 评论(0) 分类 60秒科学

PEOPLE IN AMERICA - Radio Pioneers Pulled Words, Music and World Events Out of Thin AirBy George Grow Broadcast: Sunday, February 26, 2006 (MUSIC) VOICE ONE: I'm Barbara Klein. VOICE TWO: And I'm Stev

发表于:2019-01-02 / 阅读(163) / 评论(0) 分类 2006年慢速英语(二)月

补充: Backbone - A series of high-speed network connections through which other networks connect. Bandwidth - According to Webster's: a range within a band of wavelengths, frequencies, or energies

发表于:2019-01-03 / 阅读(180) / 评论(0) 分类 电信英语

This is Scientific Americans 60-Second Science. Im Cynthia Graber. This will just take a minute. Bats see with their ears, which are highly attuned to pick up minute variations in the reflection of the sound pulses they use to echolocate. Here are so

发表于:2019-01-08 / 阅读(254) / 评论(0) 分类 Scientific American(十二)月

homework: Is going to be a credit count Christmas this year, but as one /the market thats thriving perfume. Youve just seen a ad in the break, is the rich and famous already get up your nose? This Christmas theyll fill your senses as the perfume busi

发表于:2019-01-16 / 阅读(178) / 评论(0) 分类 英伦广角

Prince Charles has some similarities with Nicole Kidman. 查尔斯王子和妮可基德曼就有相似之处。 They have similar sound of eyes. 他们的眼睛听起来很像。 So you relate people that you wouldn't relate, 当你将一些毫无相关

发表于:2019-01-18 / 阅读(174) / 评论(0) 分类 TED演讲国际问题篇

A girl listening to the recording of Laurel on vocabulary.com and she heard Yanny. 一个女生在vocabulary.com上查Laurel这个词时,发现自己听到的是Yanny。 发到网上想不到网友也分成了两派。 It divided the internet. 它把

发表于:2019-01-22 / 阅读(184) / 评论(0) 分类 美国文化脱口秀

Can Men Handle Alcohol Better than Women? 男性酒量比女性好吗? Some men brag that they can handle alcohol better than women. Can there be some truth to that? 引导语:许多男性吹嘘说他们比女性更能掌握酒量。有事实能证

发表于:2019-01-26 / 阅读(164) / 评论(0) 分类 英语听力文摘 English Digest

> 38 信息和通讯技术的发展使人们广泛运用互联网成为可能 DATE=4-23-01 TITLE=DEVELOPMENT REPORT - Community Broadcast Radio BYLINE=Gary Garriott (Start at 59

发表于:2019-01-30 / 阅读(621) / 评论(0) 分类 科技之光

Oh it's a long way down 这是一条漫漫路途 But if you don't look, you don't have to know it 但若你不去看自然不必知道 And I can be around 我会在旁接住你 To catch your fall if you're losing your grip 当你失去平衡 Can't yo

发表于:2019-02-01 / 阅读(179) / 评论(0) 分类 听歌学英语

Science and technology 科学技术 Visible-light communication 可见光通信 Tripping the light fantastic 与光共舞 A fast and cheap optical version of Wi-Fi is coming 一个高速而廉价的光学Wi-Fi即将问世 AMONG the many new gadgets u

发表于:2019-02-06 / 阅读(244) / 评论(0) 分类 经济学人科技系列

Science and technology 科学技术 Channelling heat 导热 Good conduct 优质传导 It may soon be possible to control heat flows with great precision 可能很快人们就有可能如臂使指地控制热量流动了 HEAT, as every schoolboy knows

发表于:2019-02-06 / 阅读(184) / 评论(0) 分类 经济学人科技系列

Science and technology 科学技术 Channelling heat 传递热量 Good conduct 良好的传导 It may soon be possible to control heat flows with great precision 有可能实现对热流的精确控制 HEAT, as every schoolboy knows, moves in three w

发表于:2019-02-17 / 阅读(190) / 评论(0) 分类 经济学人科技系列
学英语单词
active redundancy
al huwwah
allergic
androstenone
anionic detergent
antiosteoporotic
attention scheduler
backrowers
bar code recognition
biogeochemical barrier
bottomglade
butterfly clamp
came to life
capsule flotation attitude
cement joggle
chickering
classification model
clearness of bole
co-mingled yarn
cryptotympana atrata
delcoes
department accounting
description of property
digging arm loader
director of a factory
drawing project
end-systolic volume index
error collection file
ethyl hydnocarpate
ever ready
finger beam
five-day
fleys
foalings
fokker-planck
four-lined plant bugs
gasoline pump
get marry
glutinosus
hereditary message
historical significance
holy ghosts
hydrometor attenuation
ignifluid boiler
index of primitivity
index sensing
integer-valued
Java ME
jollity
KB Required
kootjieskolk (kotjeskolk )
Lal'sk
law of marque
limited system of export subsidies
linear responsibility chart
mechanical torque convertor
mid-sweeps
MPCD
Musāfirkhāna
nampulas
Neupentedrin
nongalvanized
oligohemia
paralytic ectropion
persely
phiales
phosphatic deposit
Primula filchnerae
proportional-integral(PI) control
Rajin-Sonbong
regulatory apparatus
reverse grid cuttent (backlash)
reverse-transcription
roller sealer
safest
Saybolt Furol viscosity
scac
Scotch cart
sessile medusa
silicon sheet
sinarquista
site of special scientific interest
six mask epitaxial process
Skjaldbreidhur
someday
Sorghum bicolor
spruce cone
stagnin
standard curing
Statements of Financial Accounting Concepts
stationcalendear
Staurochilus loratus
T.M.O.
Taschereau
to ski
triclinic plane
uintaite (uintahite)
unmasculine
until you
vulgaire
winding sheave
yardwands