脉波宽度调变

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(318) / 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(498) / 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(251) / 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(177) / 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(218) / 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(213) / 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(209) / 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(192) / 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

注释: Security Council 安理会 unanimously [ju(:)5nAnimEsli] adv. 全体一致地 nuclear [5nju:kliE] adj.(核)核子的,原子能的 score [skC:] vt. 获得 diplomatic [7diplE5mAtik] adj. 外

发表于:2019-01-08 / 阅读(210) / 评论(0) 分类 VOA2004(上)--各类新闻

1. Washington is buried under a heavy blanket of snow. Roads are mostly impassable. President Obama has called the storm Snowmageddon. 2. Despite the blizzard, some people in D.C. did venture outside for a chance to play. Snowballs were flying in nor

发表于:2019-01-11 / 阅读(252) / 评论(0) 分类 美联社新闻一分钟2010(二月)

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

Powell Defends US Stance on Iraq's WMD Nick Simeone The Bush administration is coming under renewed attack over whether its claim that Iraq possessed weapons of mass destruction was backed up by solid

发表于:2019-01-30 / 阅读(461) / 评论(0) 分类 VOA2004(上)--各类新闻

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(193) / 评论(0) 分类 英语新闻

A congressionally-mandated U.S. commission has released a report warning of a possible nuclear or biological attack somewhere in the world within five years. The report singles out Pakistan as the top security priority for the United States. VOA's D

发表于:2019-02-06 / 阅读(189) / 评论(0) 分类 VOA标准英语2008年(十二月)
学英语单词
-enol
30-day lethality
absolute class field
antiphase nuclei
assembler delimiter
attrition pulverizer
backhand-welding
Batcape
bawdseys
big bowl
biological magnify
Brassica oleracea italica
bum someone out
Caldwell-Luc operation
canalization(waddington 1940)
cathode protection method
centroid label
childhood amnesia
clearance channel
co-adsorb
coleosporium eupatorii
communication campaign
complimentary ticket
condenser build-up
coronary circuIation
costen
crib consolidating machine
cryptosamic
cutting oil separator
cytherelloidea delphinina
dargahs
deep meniscus
delay-of-game
delivery performance
electron density profile
fillisters
font map
full curve
get fresh
gradelier
grip myotonia
Hemosporidia
high strength stainless steel
hulling rate
hyperstabilization
individual passenger
infectious ophthalmia
initial expenditure
interbody
intertroop
mandatory power
mechanical efficiency of turbine
memikenawa
metachromophile
method of disposal
middle sacral artery
minimum loss matching
minimum-phase wavelet
molybdic bromide
Namsen
neutron collimator
nonintelligence
pentagon
Phyllophoridae
platinum potassium chloride
prearc period
product structure trees
production control routine
pulmonay ventilation test
quarter-hours
quereshi
rimactanes
ring knives
SHAEF, Shaef
single-point operation
Skinnskatteberg
slinksters
snus
some time later
steamer chair
stock picking
storax pill
straight-run distillation process
strophoids
super-strong carbon fibre
tapeinus fuscipennis
taper pipe
telereservation
the euro area
theoretical drag
three estates
toaster
tuk-tuks
unilateral rheumatism
upper pricision
urethrorectal fistula
Value Investing
variable life insurance
ventolin ampoule
visibility of fringes
Yunakivka
zygomaticofacial branch