[通信] 线式调制

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(162) / 评论(0) 分类 疯狂英语2001年

[00:00.00]Unit 3 A computer class [00:04.78]1 Listen and then read the dialogue in pairs. [00:11.86]Li Meng and his classmates are in a computer lab learning how to use office 2000. [00:19.72](Teacher walks in and asks the students to turn on their

发表于:2018-12-04 / 阅读(182) / 评论(0) 分类 澳大利亚中学英语

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(85) / 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(358) / 评论(0) 分类 新编大学英语阅读部分

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(139) / 评论(0) 分类 2017年VOA慢速英语(一)月

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(82) / 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(73) / 评论(0) 分类 电信英语

Microwave In telecommunications, microwaves are frequencies above 1 GHz. MIPS million instructions per second Modems (MOdulator/DEModulators) Modems are devices that transform digital signals generate

发表于:2019-01-03 / 阅读(63) / 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(102) / 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(105) / 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(110) / 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(90) / 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(77) / 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(114) / 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(89) / 评论(0) 分类 电信英语

报价版函电 (一) Dear Sirs: This time last year you placed an order for Type BS362 12-volt sealed batteries. This is adiscontinued line which we had on offer at the time. We now have a similar product on offer, Type CN233. It occurs to us th

发表于:2019-01-08 / 阅读(56) / 评论(0) 分类 天天商务口语

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(68) / 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(74) / 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(92) / 评论(0) 分类 英语新闻

报价版函电 (一) Dear Sirs: This time last year you placed an order for Type BS362 12-volt sealed batteries. This is adiscontinued line which we had on offer at the time. We now have a similar product on offer, Type CN233. It occurs to us th

发表于:2019-02-12 / 阅读(62) / 评论(0) 分类 实用英语
学英语单词
absent-minded professor
act it out
aerial coil
all wave oscillation
Angle's classification
astomus
awow
bank note in circulation
BASM
battement frapp? double
bimetal heater
Bosnian War
bulk-oil flotation
Campos Gerais
carignans
centrist politics
chamber of gas
Clerodendrum trichotomum
cold-quench tank
come to pass
cooling draft
cuddiest
cyber journalism
Danex
degel
derivative money
direction of camera axis
domestic fuel
dossy
drive - up window
dry spray
earthquake geochemistry
failed arm of a triple junction
flexible machining module (fmm)
flyby, fly-bys
frame floor
gloiopeltis tenax(turn) j.ag.
hangsterfer
hard-code
have no luck
heir presumptive
hypostyptic
interleaf friction
internet connection firewall
Jacinto Machado
Jean Baptiste Racine
karyologies
laminar layer control
lazar
LDLP
limonis cortex
live circuit
lower away
lytic phage
MDI MDIX
measurement of time
micro-veneer
mnemotechny
musicbook
nomad settlement
nourishing feed
nun's veiling
observed object
openable
oppon
oversquare engine
pachyonychia
Panagyurishte
Park Lane
parkinsonia floridas
permissibilities
portionize
postworkout
ptilolite
reclaim time
regalist
relativistic stabilized electron beam
representation and storage of image
reversement
right to elect
Romanophobia
rotation stage of labor
salted fish roe
sand spraying
sanwa millets
saprogeneous ooze
schedule to an agreement
scurvy-grass
self-importances
serrated ring
shatavarins
somatotopies
street map
sublumbar
sweet chestnut
tiocondramina
Toporovo
universal wood-working machine
upright ray cell
very high-speed Backbone Network Service
volitient
whateleys