字模拟混合脉冲时间

Section (A)Graceful HandsI have never seen Mrs. Clark before, but I know from her medical chart and the report I receivedfrom the preceding shift that tonight she will die. The only light in her room is coming from a piece of medical equipment, which

发表于:2018-12-04 / 阅读(169) / 评论(0) 分类 新视野大学英语读写教程(3)

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(134) / 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(148) / 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(152) / 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(127) / 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(151) / 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(216) / 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(179) / 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(210) / 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(173) / 评论(0) 分类 英语杂谈

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(123) / 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(132) / 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(208) / 评论(0) 分类 购物英语口语一本通

(SOUNDBITE OF MUSIC) DAVID GREENE, HOST: So it has been a year now since a gunman killed 49 people at the Pulse nightclub in Orlando. And today on StoryCorps, we're going to remember Deonka Drayton, one of the people murdered that night. She was 32 a

发表于:2019-01-17 / 阅读(263) / 评论(0) 分类 2017年NPR美国国家公共电台6月

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(179) / 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(181) / 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(180) / 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(201) / 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(318) / 评论(0) 分类 趣味英语
学英语单词
Acricid
acrography
additional allowance
air equivalent
anteromesial
anti hero
articulatio humeroulnaris
banner state
barag
bayonet coupling
best-sellings
billycan
binaural cue
bisheteroarylpiperazine
butyrum
coco(a)nut crab
code black
cognates
convergent from above
crystal osmotic pressure
cumdumps
customs police
De-Kastri, Zaliv
debatous
deviation distortion
diode clamping circuit
driver routine
dynamicizing
erlangian distribution
exhaust valve complement
extracranial
field mix
finite-difference expression
flabellidine
front top
genus galliralluss
hebes
hypoepinephrinemia
if it's not one thing, it's another
lawful cause
left no stone unturned
linear hold
long profile loom
macropole
mammilloid
menageric
Millettia leucantha
N-Hydroxycantharidin
neutron spectrum hardening
octant division
opened contract
operations count
opinion of independent accountants
Outgaarden
packet switch
perspectivism
Pins' sign
piosity
plastic-clad silica fibre
point approximation
point of fact
poor man's orange
Port of Marseilles Authority
preshyope
proceeds in cash
pulsed sieve plate column
puussepp's operation
quantized rotator
redeliverer
roller drier
russelle
sapindaceaes
scintigram
Scomberesocidae
secotiaceaes
sensitivity degradation
Seto Naikai
shroudless
shuttle vector
side window photomultiplier
sister chromatid cohesion
Small Office-Home office
snudged
spare parts
stachyurus obovatus(rehd)l.
sticky beak
substrate noise modeling
surface superfinishing
surrogative
sussing out
tavernkeeping
the atom
Tinel sign
tropospheric scatter receiver
unit doublet function
unracy
unsellable
vaporous carry-over
Viadana
water deficient regions
whiggers
zaluar