类比数位併合模拟

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(192) / 评论(0) 分类 2007年NPR美国国家公共电台

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(194) / 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(213) / 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(183) / 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(298) / 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(274) / 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(306) / 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(224) / 评论(0) 分类 英语杂谈

Venice's Church of the Most Holy Redeemer has held a musical celebration every year since its construction in 1592. And recently, the church has inspired debate among historians: How could its echoing chambers clearly portray the complicated music pe

发表于:2019-01-08 / 阅读(271) / 评论(0) 分类 Scientific American(十一)月

Simulation Helps Control, Manage Traffic 模拟有助于控制、管理交通 Controlling traffic is a complex and high cost problem in many developed countries. It becomes more difficult and costly with the ever-increasing number of cars on the road

发表于:2019-01-12 / 阅读(214) / 评论(0) 分类 2015年VOA慢速英语(八)月

Photo: VOA Auto hi-tech is set to make big inroads in 2010 After a tumultuous year for the auto industry, car makers are looking for a fresh start in 2010. Industry experts say the New Year promises to be a challenging time for automakers as they loo

发表于:2019-01-13 / 阅读(179) / 评论(0) 分类 VOA标准英语2010年(一月)

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(198) / 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(260) / 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(239) / 评论(0) 分类 2018CRI中国国际广播电台

Star Rangers is an impressive astronaut simulation game created in collaboration with NASA which allows you to explore the solar system, land on planets, build base camps and go where no man has gone before. 《星际游侠》是一款美国国家宇航

发表于:2019-02-05 / 阅读(191) / 评论(0) 分类 阅读空间

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(257) / 评论(0) 分类 2007年VOA标准英语(四月)

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(218) / 评论(0) 分类 阅读空间

Six scientists have completed a yearlong Mars simulation in Hawaii, where they lived in a dome in near isolation. 近日,六名科学家在夏威夷一个近乎完全隔绝的圆顶屋中完成了为期一年的火星模拟生活。 For the past ye

发表于:2019-02-16 / 阅读(201) / 评论(0) 分类 英语新闻

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(257) / 评论(0) 分类 2019年VOA慢速英语(一)月

CD Player While shopping for my first CD player, I was able to decipher most of the technicalese on the promotional signs. One designation had me puzzled, though, so I called over a salesperson and asked, What does 'hybrid pulse D/A converter' mean?

发表于:2019-03-11 / 阅读(392) / 评论(0) 分类 趣味英语
学英语单词
actual expense
actylamide
address sequencing
amphauxesis
amyxorrh(o)ea
anti-soviet
archive recording
attackman
background activity
baichu
bixas
buttargo
cemeterial
cephalobrachial muscle
changes in the quantity demanded
concurrent punishment for several crimes
conditional bill
cymatium tenuiliratum
cymidine
deep souths
Delos
dermatomyotome
diesel emission
dipmean
Dirah
direct command language
disship
dracaena dracoes
drawingrooms
el bab
electric-heated viewscreen
electromyographically
enoploteuthis chuni
epigynous flower
final drive hub
fly-blown
forechecked
friendship theorem
fused cast basic brick
global corruption barometer
goalpost mast
gooseneck elbow
Gotland Basin
grande-alle
hard fern
hebetic cough
hebride
Helkesimastix
homogeneous ablator
intelligent peripheral interface
job-skill
laminated belting
laser line-type smoke detector
leotardlike
leptoseris yabei
local ecological basis
lycopus europaeuss
machine-head
main messenger
marking-end distortion
mathamidophos
Meliosma cuneifolia
microaleuriospores
Microstegium delicatulum
narbo
nectophores
nonprosthetic
Nopress
nozzle passage
NSRDS (national standard reference data system)
oralobranchial chamber
paddlespring
paramilitary operation
pipefittings
plow-share
polymerised oil
positive-going signal
prenatal transmission
program button
prophesiable
Puchkovskiy
reconcilement of accounts
reinsurance pools
salpingo-oophoritis
self-absement sentiment
shrap
single-commutation direct-current signal(l)ing
smell-less
South Wabasca L.
spring joint computer conference
strong wind fumigation plume
successive approximate method
tarkenton
titles for rows
to sb.'s annoyance
tosilate
track group
unpeels
unprintability
vertical quarter-wave stub
wall saltpeter
windcheaters