数-模转换,数字-模拟转换(比率)

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(372) / 评论(0) 分类 疯狂英语2001年

Five Digital Camera Mistakes by Vance Fry Everyone who buys a digital camera starts out as a digicam newbie. Avoid these five blunders and you won’t look like a newbie for long 1 Mistake 1: Not lear

发表于:2018-12-19 / 阅读(249) / 评论(0) 分类 彭蒙惠英语

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(197) / 评论(0) 分类 365个英语简短小故事

图片 by Jason Marshall Some math is functional. Some math is fun. And some math is simply stunning. If that last description sounds improbable to you, then today just might change your mind. Because now that weve covered enough ground, were going t

发表于:2019-01-02 / 阅读(343) / 评论(0) 分类 数学英语

图片1 图片2 by Jason Marshall Despite many peoples assumption to the contrary, math is undeniably artistic. It takes a tremendous amount of creative muscle and artistry to devise mathematical solutions. And, as made evident by their frequent batt

发表于:2019-01-02 / 阅读(380) / 评论(0) 分类 数学英语

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(216) / 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(185) / 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(301) / 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(276) / 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(309) / 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

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(199) / 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(261) / 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(240) / 评论(0) 分类 2018CRI中国国际广播电台

BEIJING, May 13 (Xinhuanet) - China's central bank announced on Saturday it would lower the reserve requirement for commercial lenders by 50 basis points, the second time it has taken such action this year to inject more market liquidity and shore up

发表于:2019-02-04 / 阅读(289) / 评论(0) 分类 英语新闻

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(259) / 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

China's sex ratio is quite worrying nowadays. According to census data, China's sex ratio at birth was 108 males to every 100 females in the early 1980s, only slightly above the natural rate of 103 to 107. In 2000 the ratio was 116.9 males to 100 fem

发表于:2019-02-14 / 阅读(245) / 评论(0) 分类 英闻天下

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(260) / 评论(0) 分类 2019年VOA慢速英语(一)月
学英语单词
.pbl
ancient objeet
anhydrous alumina
arani
arts and crafts school
ascaridiasis
at the dip
axial bearing(thrust bearing)
Berm.
Biometric Application Programming Interface
bushtit
carry everything before one
chalfords
charge conjugation-parity
chawnah
chilleth
Chisos Mountains
co-exists
curiousity
db-loss
diheptal base
director meter
distortion of handle and spout
Eastern Azerbaijan
electromagnetic acoustics
enc.
English Carrier
exchanging vouchers
exferment
family Anarhichadidae
fan slip
farming land
flight mode
flustrating
glide slope annunciator
grammar with control set
hevery
hexaptilona palpata
index edge
input/output condition
intercommunicating telephone set
Irminger Sea
jjaep
katyal
Khoutsa
krehalon
labour in vain
left atrial tachycardia
lotus seeds
megabasite
message transmission rate
methylprotodioscin
Michael-riggs
moltiple infection
mosesin
mug up
mulberrys
multi-crystal focusing spectrograph
multifunctional horizontal sling
multiplicative automorphic function
nanny goats
oil sounding rod
olivine stony iron (pallasite)
overall optimum
oyster toadfish
p-toluidine
pair of scissors
peripheral vision
Phillips head
pneumatic drilling
preassumes
reach a consensus
reciprocal bond
rooter skunk
rule weight anchor
Ruther Glen
same day funds
scamped
see into a millstone
seismometric
selective filter
seminuria
shake sth off
shooting downstream
short-termers
sileni
six-coursest
spiral bevel gears with intersecting axes
spring quillwort
stirrup(bone)
street fighters
subtractest
Sumatran rhinocerotes
susotoxin
TAOT
three edge pebble
top cutting edge
top light
trigeminus group
under-the-tables
vernadite
Vilches