数字模拟输出基础

Food writer T. Susan Chang once embraced the digital age. She even met her husband and bought a house on the Internet. Now, though, she believes in the benefits of an analog, lower-tech lifestyle. I believe in mystery. I believe in family. I believe

发表于:2018-12-19 / 阅读(105) / 评论(0) 分类 2007年NPR美国国家公共电台

电子书由于其方便携带、随时查看的优点而越来越受到大家的欢迎,你喜欢看电子书吗? Dan: Hello, I'm Dan, and Alice has joined me for today's 6 Minute English. Hello, Alice! Alice: Hi Dan. Dan: Today we're talking abo

发表于:2018-12-27 / 阅读(126) / 评论(0) 分类 一起听英语

Starting in February 2009, broadcasts of all TV signals will be digital, replacing current analog signals. For people who have cable or satellite TV, this is a non-issue, because their reception will not be affected. But people who use rabbit ears or

发表于:2018-12-31 / 阅读(120) / 评论(0) 分类 365个英语简短小故事

Codec Codec is a contraction of coder and decoder; a device that encodes analog signals into digital signals, for transmission through a network in digital format, and decodes received digital signals

发表于:2019-01-03 / 阅读(120) / 评论(0) 分类 电信英语

I-MAC isonchronous media access controller IDN integrated digital network IEC International Electrotechnical Commission Impairments Impairments is the (e.g., transmission channel and signal impairment

发表于:2019-01-03 / 阅读(104) / 评论(0) 分类 电信英语

D type Channel Bank A D type channel bank is channel termination equipment used for combining (multiplexing) individual analog channel signals on a time division basis. D type channel banks provide in

发表于:2019-01-03 / 阅读(183) / 评论(0) 分类 电信英语

Analog - Transmitting information that is characterized by continuously variable quantities (such as with AM or FM). This is different from digital transmission, which is characterized by discrete bit

发表于:2019-01-03 / 阅读(161) / 评论(0) 分类 电信英语

By Craig McCulloch Vancouver 13 May 2006 In February of 2009 all television stations in the United States are required to convert to digital transmission. This move will bring an end to traditional an

发表于:2019-01-04 / 阅读(151) / 评论(0) 分类 2006年VOA标准英语(五月)

Hi, Im Becky Worley and this is Good Stuff. Its flu season and were more vigilant than ever about all the flues that are making around, when your kids are sick, you take their temperature, but thats easier said than done. The words Rattle thermometer

发表于:2019-01-06 / 阅读(149) / 评论(0) 分类 英语杂谈

OPEC will cut its oil output by 1.5 million barrels a day starting in November, with chances of more cuts to come. But from Paris, Lisa Bryant reports the announcement was met by a further drop by financial markets. OPEC hopes that by cutting output

发表于:2019-01-13 / 阅读(139) / 评论(0) 分类 VOA标准英语2008年(十月)

But what's new and hot today will be antiquated before you know it Ted Landphair | Washington, DC 23 June 2010 Millions of American adults might recall phonograph records, cameras with flashbulbs and telephones with rotary dials, but their children w

发表于:2019-01-13 / 阅读(101) / 评论(0) 分类 VOA标准英语2010年(六)月

Unit 23 Buying a watch(2) 第23课 买手表(2) The customer is looking for a watch. 顾客正在找他喜欢的手表。 S: Let me suggest this one. It's an excellent watch, it looks good, and it's only $100. 店员:我向您推荐这个。它是一

发表于:2019-01-14 / 阅读(176) / 评论(0) 分类 购物英语口语一本通

Promoting connectivity and cooperation in informational communication between China and Africa is high on the agenda of this year's FOCAC Beijing Summit. The collaboration is being pushed greatly by a free digital television project of China in rural

发表于:2019-01-19 / 阅读(135) / 评论(0) 分类 2018CRI中国国际广播电台

OPEC Agrees to Reduce Oil Output Kerry Sheridan Oil prices edged higher Tuesday after ministers from the Organization of Petroleum Exporting Countries (OPEC) agreed to reduce output. OPEC ministers ha

发表于:2019-01-31 / 阅读(129) / 评论(0) 分类 VOA2004(上)--各类新闻

By Craig McCulloch Las Vegas 18 April 2007 Leaders in the U.S. broadcast industry are discussing new technologies and trends at the annual meeting of the National Association of Broadcasters in Las Vegas,Nevada. As Craig McCulloch reports, HD Radio,

发表于:2019-02-05 / 阅读(156) / 评论(0) 分类 2007年VOA标准英语(四月)

BEIJING, Aug. 19 (Xinhua) -- China's steel output growth slowed in July and prices of steel products have continued to drop, according to data from the National Development and Reform Commission (NDRC). Crude steel production gained 4.2 percent year

发表于:2019-02-06 / 阅读(134) / 评论(0) 分类 英语新闻

An expert at the International Energy Agency says it may be many months before Libya's damaged oil industry can resume full production. The head of IEA's Oil Industry and Markets Division, David Fyfe, said Thursday there are many logistical, operatio

发表于:2019-02-06 / 阅读(110) / 评论(0) 分类 英语新闻

China's industrial output growth accelerates in October BEIJING, Nov. 9 (Xinhua) -- Industrial production growth continued to accelerate in October, presenting evidence that China's economy is picking up steam after seeing its lowest growth rate in m

发表于:2019-02-06 / 阅读(120) / 评论(0) 分类 英语新闻

To the surprise of exactly no one, Apples new generation of iPhones will not include a standard 3.5mm headphone input. The decision signals the demise of an audio port thats been used for more than 100 yearsand honestly, its about time. The death of

发表于:2019-02-06 / 阅读(144) / 评论(0) 分类 阅读空间

Estonian Government Aims to End Paperwork Three-day-old Oskar Lunde sleeps in a small bed at an Estonian hospital. Across the room, his father turns on a laptop computer. Now we will register our child, Andrejs Lunde says, as he lifts his identificat

发表于:2019-02-26 / 阅读(166) / 评论(0) 分类 2019年VOA慢速英语(一)月
学英语单词
-azosin
-coel
a coarse grass used for forage
a happy accident
acalolepta ikedai
Actinopteri
additional supply of material
adjustable tractr seat
aerospace(aeronautics and space)
after-theater
al ajah (alaja)
alloy ductile iron roll
allylchloride
annofoline
antispammer
aquatilia
automatic operating mode
bacterascites
Bamble
box cotton
brown layer ot sclera
chaplet area
common eiders
condict
copping
damaged packing
deheat
determination of manual element time
disconnects
disoppilate
dive at
double pumping action
drumken thread
ethmovomerine
filling tube
fission product chemistry
flat-nose pliers
flowout diagram
Francois Villon
fundamental right in communication
galdansetron
garyte
graphical rewriting grammar
haillie
hard as iron
heavy and lengthy rates
image flyback
internal supervision
isosteric property
Jim Jim Cr.
kolcraft
laser homing guidance
logoneurosis
make-it
maledict
maritim
melting state
minuthesis
mushlike
natural-theology
neon-bright
nerve war
nogoodnik
Ostraea
PARAPLESIOBATIDAE
partition curtain
peched
penide
polarizing disc
Powder River County
pricking
pronouncer
psoriatic arthritis
Pyrola markonica
quadtatic mean
rated tonnage
retaliation claim
role theory
Sanvitalia
slave-growns
sole survivor
Southern Darfur State
starting air cut off
steam permeability
strain hardening
synchronous logic
try on a dress
typewriter jockey
Tyrian
uncollectible
uniform-geometry-technique
up-coiler
vaginismus
Vallachite
vigs
War Office
ware-houses
wart hog disease
waterlife
waterwheel plant
wave-packet