数模转换

SGI- It used to be animation was done entirely by hand.classics like Disney's Fantasias ware drawn frame by frame.Modern animation, however, has dependedon computers ,like The Prince Of Egypt depends

发表于:2018-11-28 / 阅读(310) / 评论(0) 分类 疯狂英语2001年

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(135) / 评论(0) 分类 2007年NPR美国国家公共电台

This Cell Phone Needs No Battery 不用电池的新型手机? A dying battery is a huge annoyance for cell phone users. But for engineers? It's inspiration. Can we design a smartphone which can make a phone call and have a conversation without the

发表于:2018-12-24 / 阅读(129) / 评论(0) 分类 2017年科学美国人(七)月

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(149) / 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(153) / 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(138) / 评论(0) 分类 电信英语

发表于:2019-01-03 / 阅读(149) / 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(129) / 评论(0) 分类 电信英语

Frame In time division multiplexing systems, Frame is a sequence of time slots each containing a sample from one of the channels carried by the system. The frame is repeated at regular intervals, (nor

发表于:2019-01-03 / 阅读(156) / 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(226) / 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(219) / 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(165) / 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(213) / 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(175) / 评论(0) 分类 英语杂谈

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(133) / 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(211) / 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(181) / 评论(0) 分类 2018CRI中国国际广播电台

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(183) / 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(181) / 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(205) / 评论(0) 分类 2019年VOA慢速英语(一)月
学英语单词
administered units
altitude azimuth instrument
amdt
bab
Babashoff
barrier capacity
bekh
belt road
bioimplants
boghead coal
buitenzorgs
canoe stern
cat-calleds
Cave City
central heating
chemical light
chengs
confirmatory message
cookout
coordinate bond
creditor side
cross footing
damits
dechristianized
dilapidated
direct flexibility method
dumb-dumb
eerodm programmer
electron chemistry
encheasons
erectour
Eutychian
execution scheme drawing
export symbols
Feulgen method staining
fluid servo-motor
genson
glucose -tm
grey-throated rail
high tension radio-graphic apparatus
I.E.D.
illegal weapon
inbev
intellections
kunstmarkt
left-aligned text
lig. coronarium hepatis
litseal lancilimba merr.
load line certificate
lock exclusive
lol theory
luminance coding
lyc.
mercantile financial resources
Mesoamerican pyramids
Minkowski, Hermann
model coordinates
mohair rug
Neckeraceae
ninth cranial nerve
nonfarmed
oligophrenias
oral membranes
os trapezoideum
overflow main line
pay plan
petroleous
phonemes-voice synthesizer
photoiniferter
piccoli
pilus
porkily
put the brake on
quench modulated radio frequency
QVCS
ravenell
reshipments
rotating-blade propeller
Salix metaglauca
Scajola
seam-welding machine
self restoration
seriocomic
staminal pode
standing backstay
stunt
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surface decontamination
technical through train
torsional shear strain
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transverse disc
turn-to-turn short
undersalt
unintegral
unsubduedness
warehousing expense
wese
whileness
worlie
xylophonist