[电子] 差异脉码调制

Maurice Ravel was born in 1875 in a little village in southern France near the Spanish border. His father was Swiss and his mother was Basque. Ravel's devotion to his mother bordered on the 1)obsessiv

发表于:2018-11-28 / 阅读(426) / 评论(0) 分类 疯狂英语2001年

INTRODUCTION TO ACT I Today on TUNING IN THE U.S.A., we are on a train going to Washington, D.C. Ellen Stewart is taking Alexandra Pappas to visit the nations Capital. They are, in many ways, like other tourists. They want to visit the Air and Space

发表于:2018-11-30 / 阅读(351) / 评论(0) 分类 欢乐美语

It's got to be philanthropic, because profits distract biotech, 这些研究的钱的来源最好是慈善,因为利润会分散生物技术研究公司的注意力, but it's basically got a 90 percent chance, I think, of succeeding in this. 但我

发表于:2018-12-05 / 阅读(373) / 评论(0) 分类 TED演讲科学篇

By Mil Arcega Washington, D.C. 30 June 2006 Watch Bar Code Report Bar code The Universal Product Code turned 30 this week. The U.P.C. is a unique combination of black and white lines that can identify virtually anything from a bar of soap to medical

发表于:2018-12-07 / 阅读(431) / 评论(0) 分类 2006年VOA标准英语(六月)

Unit 8 The Media In-Class Reading It's Radio! The medium that can turn anywhere into somewhere 1 The truth is that radio has not been eclipsed by television and cable and the Internet. In fact, radio

发表于:2018-12-18 / 阅读(597) / 评论(0) 分类 新编大学英语阅读部分

公司高层开会,老板Frank建议,规定着装标准,不能太随便。 Frank: Good morning everyone. Thanks for being on time. Gary Penny: Good morning, Frank. F: We've got a whole bunch of topics to go over today, but let's start with a si

发表于:2018-12-25 / 阅读(271) / 评论(0) 分类 礼节美语

On January 11, Norway became the first country to begin turning off signals from its FM radio network. The Norwegian stations will instead use only digital audio broadcasting, called DAB. FM, or frequency modulation, radio stations have been in opera

发表于:2019-01-02 / 阅读(375) / 评论(0) 分类 2017年VOA慢速英语(一)月

Delay - This is the wait time between to specific events, and regarding satellite communications, it is the time it takes for a signal to go from the transmission station up to orbit and through the s

发表于:2019-01-03 / 阅读(266) / 评论(0) 分类 电信英语

Compatible - When one object can be used interchangeably with another. Composite Baseband - The unclamped and unfiltered output of the satellite receiver's demodulator circuit. It contains all of the

发表于:2019-01-03 / 阅读(265) / 评论(0) 分类 电信英语

PPSN public packet switched network Premises Distribution System (PDS) PDS is the transmission network inside a building or among a group of buildings, for example an office park or a campus. PDS is u

发表于:2019-01-03 / 阅读(278) / 评论(0) 分类 电信英语

DSB Direct Satellite Broadcast 直接卫星广播 DSB Double SideBand 双边带 DSBRC Double SideBand Reduced Carrier 双边带减幅载波 DSBSC Double SideBand Suppressed Carrier 双边带抑制载波

发表于:2019-01-03 / 阅读(336) / 评论(0) 分类 电信英语

Enhanced Data rates for GSM Evolution, or EDGE, is a digital mobile phone technology which acts as a bolt-on enhancement to 2G and 2.5G General Packet Radio Service (GPRS) networks. This technology wo

发表于:2019-01-03 / 阅读(343) / 评论(0) 分类 电信英语

Abort - To stop doing something. Particularly, to exit a software program or stop receiving or sending a message. Access - (1) (verb) to get use of something, or (2) (noun) refers to a particular leve

发表于:2019-01-03 / 阅读(335) / 评论(0) 分类 电信英语

DCC Data Country Code 数据国家号码(3位) DCC Digital Cross Connect 数字交叉连接 DCCE Digital Cell Center Exchange 数字小区中心交换机 DCCH Dedicated Control CHannel 专用控制信道

发表于:2019-01-03 / 阅读(324) / 评论(0) 分类 电信英语

DM Delta Modulation 增量调制 DMA Direct Memory Access 直接存储器访问 DMF Dispersion Managed Fiber 色散管理光纤 这种光纤有带正、负色散区段,如同线路光纤延展敷设,

发表于:2019-01-03 / 阅读(312) / 评论(0) 分类 电信英语

DOD Direct Outward Dialing 直拨外线 DOS Disk 0perating System 磁盘操作系统 DOV Data Over Voice 话上数据 DP Data Processing 数据处理 DP Detection Point 检测点,探测点 DP Dial/

发表于:2019-01-03 / 阅读(311) / 评论(0) 分类 电信英语

APCM Adaptive Pulse Code Modulation 自适应脉码调制 APCM是在PCM基础上,采用量化自适应,使均方量化误差最小的一种调制方法。 APD Avalanche Photo Diode 雪崩光电二极

发表于:2019-01-03 / 阅读(290) / 评论(0) 分类 电信英语

But modulation networks are also activated that deliver endorphins and enkephalins, 不过调制网络也被唤醒,去传递安多芬和脑啡肽, chemicals released when you're in pain or during extreme exercise, creating the runner's high. 这些

发表于:2019-01-17 / 阅读(292) / 评论(0) 分类 TED演讲教育篇

An end to grey hair and crows-feet could be just 10 years away after scientists showed 科学家发现,动物的衰老过程有可能逆转。 it is possible to reverse ageing in animals. 从此以后,可能仅需10年,人类就可以告别白发

发表于:2019-02-01 / 阅读(321) / 评论(0) 分类 趣味英语

BEIJING, July 26 (Xinhua) -- A research team led by Chinese scientists have discovered dietary modulation of gut microbiota can alleviate both genetic and simple obesity in children. The findings of the team, led by Zhao Liping with Shanghai Jiaotong

发表于:2019-02-02 / 阅读(314) / 评论(0) 分类 英语新闻
学英语单词
Acetosulfamine
acoustic neroma
adjustive behavio(u)r
agrilus yamawakii
air force space commands
airline medical director association (amda)
Amadis of Gaul
amanita virgineoides
articulated landinng gear
Band-Aids
basal lamina of choroid
beam cutoff
bemusingly
bishopsgate
boiling reactor
broaden one's horizon
buxbaumia minakatae
caducities
canonic variation
Chazal
Christiansen effect
clamp iron U
Clause Four
compulsory service
construction stage
corona-free design
cosmique
crown sheets
delayed menstrual period
devirginised
disk operating system/virtual storage
dissertator
door to door
double frequency sequence signalling system
ectrotic
ediphenphos
electronic antenna distributor
emblustricate
emergency bake
encompassing type
Fail-spot
fermat problem
finessas
fissure (brain) (or sulcus (brain))
flightiness
folding length
fork amplifier
get something wrong
Grey code
Hemsleya endecaphylla
high gain aerial
hot plate veneer redrier
hylists
instantaneous power
ionization gradient
lodging resistance
log extract
lukewarm climate
magnetic absorption
manray
maximum knock-out stroke
megachile angustistrigata
metapneustic
MIPS Technologies
mwenda
oblique name
ofhold
Okinawa-shoto
olympic movement
oncorhynchus masou var. ishikawae
pansy
participating country
patroclinal ingeritance
peak joint
Pedolatum
picks someone up
polysystemic phonology
posterior cornu (hyoid) (or posterior horn)
prostheticist
public enterprise
radio detection and location
realism about theories
retrospective design
riboflavin phosphate
seasonally compensated figures
sillimanite gneiss
single-phase full-wave rectifer circuit
slave-girls
special trade passenger ship
strange
subresonance
sweet dough
tape-processing simultaneity
task button
temps lev?
transverse property
tropic marine air
uncounselled
varicella gangresa
vitality
water tight cover
well cultured