NPR 09-21:The Imperfect Traces Left by Human Hands我热爱现实世界

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

365个英语简短小故事- 56. A Year with No TV

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

电信专业英英词典C-8

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

电信专业英英词典Q

电信专业英英词典I-1

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

电信专业英英词典M-2

Microwave In telecommunications, microwaves are frequencies above 1 GHz. MIPS million instructions per second Modems (MOdulator/DEModulators) Modems are devices that transform digital signals generate

电信专业英英词典D-4

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

电信专业英英词典A-2

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

2006年VOA标准英语-Television Technology Enters New Era

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

英语杂谈：43 Kid-friendly Digital Thermometers

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

VOA标准英语2010年-Technology Keeps Astounding and Amazin

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

VOA标准英语2010年-Nosing Your Way Around

Different combinations of sniffing in and out can be used to control a wheelchair. Reasearchers in Israel have developed an electronic controller that allows severely disabled people to control their wheelchairs or computers with a simple sniff of th

购物英语口语一本通 Unit23:买手表(2)

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

2018年CRI China's digital television service promotes connectivity in Africa

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

英语笑话听力+文本：CD唱机

【生词预览】 decipher解读，technicals技术术语 【笑话原文】 CD Player While shopping for my first CD player, I was able to decipher most of the technicalses on the promotional signs. One designation had me puzzled, though, so I call

VOA慢速英语20060815b

SCIENCE IN THE NEWS - Rethinking the Personal Computer in a World That Centers on the InternetBy Caty Weaver and produced by Mario Ritter Broadcast: Tuesday, August 15, 2006 VOICE ONE: This is SCIENCE

2007年VOA标准英语-New Technologies, Trends Discussed at Annual NA

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,

从iPhone7说起：为什么耳机接口必须死？

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

VOA慢速英语--爱沙尼亚政府欲实现100%无纸化工作

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

TED演讲:科技为人道主义带来的变化(4)

In Nigeria, 在尼日利亚 open-source, open-source SMS tools are being used by the Red Cross community workers 红十字会的工作人员也在使用开放的短信工具 to gather information from the local community 他们从当地社区里收集资