发光二极体类比调变

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(463) / 评论(0) 分类 疯狂英语2001年

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(415) / 评论(0) 分类 TED演讲科学篇

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(641) / 评论(0) 分类 新编大学英语阅读部分

Grammar Girl here. Today, guest writer Bonnie Trenga is going to tell us why were never gruntled, sheveled, or in whack, but why we are often disgruntled, disheveled, and out of whack. Bonnie says, Thanks to an interesting question from Glenn, well b

发表于:2019-01-02 / 阅读(430) / 评论(0) 分类 英语语法 Grammar Girl

PEOPLE IN AMERICA - Percival Lowell's Work Led to the Discovery of the Planet Pluto By Mario Ritter Broadcast: Sunday, December 11, 2005 (THEME) VOICE ONE: I'm Mary Tillotson. VOICE TWO: And I'm Bob D

发表于:2019-01-02 / 阅读(356) / 评论(0) 分类 People in America

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(422) / 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(300) / 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(300) / 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(316) / 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(382) / 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(389) / 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(370) / 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(367) / 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(367) / 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(357) / 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(340) / 评论(0) 分类 电信英语

to be led by the nose under your nose 今天我们要讲的习惯用语是和鼻子,也就是和nose这个字有关系的。鼻子是我们的嗅觉工具,也是我们的呼吸器官,是人体的一

发表于:2019-01-06 / 阅读(396) / 评论(0) 分类 美国习惯用语

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(332) / 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(359) / 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(346) / 评论(0) 分类 英语新闻
学英语单词
aerological sounding
Altodor
amethystinus
antinomycosis
apo-decarboxylases
backwind
Balmer series
bunny boiler
butt-seam welding machine
caster monotype
cestodic tuberculosis
channelizes
colistins
Condylura
cries out against
crimp rigidity
customer order summary file
danzante
Dashtobod
dislocation boundary
duplex type
edge abrasion
eighty-column mind
electric marker
ellipsoidal grating
emilie
equal revenue line
equipotential surface of velocity
equity adjustments
fatty-type gear lube additive
feather key and keyway
fermentation technology
forced-entry
geniculate twin
genus Eichhornia
glass fiber reinforced polycarbonate
grass-land
Greeley County
green pigeon
gumbo-limbos
gynura divaricata formosana
Gyāraspur
habitfroming drug
hybridlike
hygrostomia
infra-red cataract
input frequency
James City County
jingle
Kavanga
Khowai
kindness
lagged piping
liaison committee
lightresistant
local cipher
lower compartment
mankiewicz
maximum and minimum thermometer
mcs (megacycles per second)
medisection
method of piling
mine laying boat
monoblock pump
mundick (pyrite)
neutrophilic leukocyte
nsra
old coon
part quality
penetrative sex
phantasmagory
Plattsburgh Air Force Base
popanoceratids
potassuim cyanide
pre-ordain
Proterosuchus
rack one's brain wits
radiomutation
rare earth ferrosilicon
rectilineally
retention of urine
rockogenin
romanizes
roughing tooth profile
SAF (safety)
seahawk
self-belay
shaft landing
short range sprinkler
Silel cast iron
sodium metaniobate
terraceless
thermophilic bacteria
thyratron switch
Tinner's joints
total burn-off fuel
total loading
tropometer
unruefully
vinegaring
Waldburg Ra.
wharrow