光学频率的拍频

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(233) / 评论(0) 分类 2018年VOA慢速英语(七)月

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(165) / 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(119) / 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(156) / 评论(0) 分类 365个英语简短小故事

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(157) / 评论(0) 分类 60秒科学

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(122) / 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(182) / 评论(0) 分类 Scientific American(十二)月

序号 中 文 英 文 术语解释 缩写 来源 101 操作维护中心 Operation and Maintenance Center OMC YD/T 1221.1-2002 102 光分插复用器 Optical Add/Drop Multiplexer OADM YD/T 1205-2002 1

发表于:2019-01-08 / 阅读(179) / 评论(0) 分类 电信英语

序号 中 文 英 文 术语解释 缩写 来源 121 出接口 outcoming interface oif YD/T 1177-2002 122 操作维护应用部分 OMAP YD/T 1180-2002 123 开放系统互连 OSI YD/T 1180-2002 124 光放

发表于:2019-01-08 / 阅读(161) / 评论(0) 分类 电信英语

序号 中 文 英 文 术语解释 缩写 来源 161 光配线网 Optical Distribution Network ODN YD/T 1250-2003 162 光线路终端 Optical Line Termination OLT YD/T 1250-2003 163 光网络单元 O

发表于:2019-01-08 / 阅读(168) / 评论(0) 分类 电信英语

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(131) / 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(121) / 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(114) / 评论(0) 分类 美国文化脱口秀

序号 中 文 英 文 术语解释 缩写 来源 261 操作和维护 Operation Maintenance O&M YD/T 883-1999 262 操作维护和管理 OAM YD/T 997-1999 263 操作维护中心 Operation Maintenance

发表于:2019-02-01 / 阅读(235) / 评论(0) 分类 电信英语

序号 中 文 英 文 术语解释 缩写 来源 221 开放系统互连 Open System Interconnection OSI YD/T 1280-2003 222 操作维护中心 OMC OMC YD/T 1079-2000 223 帧失步秒 Out-of-Frame Seco

发表于:2019-02-01 / 阅读(258) / 评论(0) 分类 电信英语

序号 中 文 英 文 术语解释 缩写 来源 201 光回损 Optical Return Loss ORL YD/T 1274-2003 202 光信噪比 Optical Signal to Noise Ratio OSNR YD/T 1274-2003 203 光监控通路 Optical Su

发表于:2019-02-01 / 阅读(239) / 评论(0) 分类 电信英语

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(135) / 评论(0) 分类 听歌学英语

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(118) / 评论(0) 分类 经济学人科技系列

China's Tibet Autonomous Region is about to achieve a universal coverage of fibre-optical broadband service ahead of its schedule. As China further rolled out its universal broadband project, Tibet's broadband service is looking to reach 98% of admin

发表于:2019-02-14 / 阅读(214) / 评论(0) 分类 2018CRI中国国际广播电台

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(125) / 评论(0) 分类 经济学人科技系列
学英语单词
a rude awakening
a stack
acquisitiveness
after-purification
amstallite
antimon point
biochemical indicator
boasian
burning-eroding therapy
capie-hole
car spacing for uncoupled inspection
care and diligence
changing formation
chipps
coauthorships
collocabilities
compound model
concept of crime
critical throat section
D Shackle
deep sixes
direct-injected
dorysthenes paradoxus
dremomys pernyi
dry sorting
dynamic array bound
dysenteric proctitis
Eight Masters of Nanjing
exotics
facial line correction
fire-prevention pipe
fisho
Fort Gulick
fossamagna
full admission
gimcrackeries
go into raptures
high precedence
huskyiest
hyracoid
in lure
ingrtaclavicular part
internal hard drive
interpretesses
invasins
j.p.l
jenequen
JISE
lathe for copper roller
Lentvaris
lepr-
mark sense sheet
menziesii
mercantile paper
microcomputer reliability
Miravete
muji
nappier
nephrohypertrophy
news discourse
nithiamide
nude contract
oligopause
operation office for train receiving-departure
out of the sphere of
parsettensite
perimeter arc
phalacrocoracidaes
picker-husker
Podosporium
power-shop
profit-seekings
propeller-hull vortex cavitation
protuberations
public official bond
pyramid shape
Pyridacil
reducents
refractory lined chamber
removal of fractured root
rubroolivary tract
sandy mobile bed
sex-type
solemnizing
spray film
step-wise elution analysis
Strömsnäsbruk
supervisory channel
surface free energy
suspend breathing
tauroboly
Thalattosuchia
Thomas-Gilchrist process
time-varying system
traison
tussah shantung
twelve-point nut
unsaturated iron binding force
upper spring retainer
variable spread
vehicle accident
zhentarim