数字控制增量调制

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(312) / 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(270) / 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(497) / 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(248) / 评论(0) 分类 2017年VOA慢速英语(一)月

CES 2018: Voice-Controlled Assistants Steal the Show The biggest technology show of the year is taking place this week in Las Vegas, Nevada. 今年最大的科技展将于本周在内华达州的拉斯维加斯市举行。 The show is called CES 2018

发表于:2019-01-03 / 阅读(205) / 评论(0) 分类 2018年VOA慢速英语(一)月

Mind-Controlled Prosthetics Are Getting Closer Scientists and engineers are making substantial advances towards the ultimate goal in prosthetics creation of limbs that can be controlled by the wearers mind. Thanks to sophisticated sensors capable of

发表于:2019-01-03 / 阅读(199) / 评论(0) 分类 VOA标准英语2015年(五月)

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(178) / 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(175) / 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(169) / 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(217) / 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(223) / 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(212) / 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(207) / 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(190) / 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(210) / 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(194) / 评论(0) 分类 电信英语

SCIENCE IN THE NEWS -May 21, 2002: First electronically controlled animals / Study of mothers and their sons / Effects of global warming Broadcast: VOICE ONE: This is Sarah Long. VOICE TWO: And this i

发表于:2019-01-07 / 阅读(189) / 评论(0) 分类 科技之光

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(203) / 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(203) / 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(191) / 评论(0) 分类 英语新闻
学英语单词
aartis
Abie
aluminum wire bar
azonal vegetation
back band
barranca
Bentfeld
black-and-white all plastic photographic paper
blade-circle diameter
bluelines
bursaspor
C. A. J.
chinkerinchee
coacetylase
coefficient of contraction for orifice
comparative financial statement
conophthalmus
cotton bud
cuspform
cytoskeletal
deadlock avoidance algorithm
decision tree method
denitrifiers
desired point of impact
doublestrand
earth moving machine
ecoraider
embolon, embolum
epistles of paul the apostle to the ephesians
fabric count
first - class cabin
fistula anal congenita
fixed square search
fleurish
fogmarking
fonsetorigo
formatted capacity
gender non-conformity
genus Todea
Goniops
guglia
hemoglobin coefficient
Hexanoetrol
high cube cargo
horizontal myoseptum
innocential
insidiators
inter-allied
JITC
Kapp method
L-JAK
lawn party
ledges
Leptotrombidium
Lugano
Lφnavatn
meinies
military trainer
mittler
Molybdenite-3R
multivariate analysis and prediction of schedules
neo-abiogenesis
nervous hit
nickel plating
oil resistivity
ORNITHOPODIA
PC (programmable controller)
peare
petrography of fossil
phenicine
plastic grating
poor-sighteds
predicateless sentence
preventive-care
profundifying
proportionments
r-f pulse
reclamation of mine water
schatzelite
scrobicula
seemlity
semeioticians
single-discharge spiral water turbine
skidi
solidrock
sow dissension
sparkiness
step-function signal
strategian
stuff sth with
takuri
taxifolins
thermal storage device
to cut back
train identification
unindividual
Univasc
unleathered
unprosperously
us gm
wage survey
zeitschrifts