un. 程序控制模拟数字转换
[网络] 模拟数字程序控制

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

发表于:2018-12-19 / 阅读(116) / 评论(0)

2007年NPR美国国家公共电台

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

发表于:2018-12-31 / 阅读(130) / 评论(0)

365个英语简短小故事

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

发表于:2019-01-03 / 阅读(131) / 评论(0)

电信英语

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

发表于:2019-01-03 / 阅读(114) / 评论(0)

电信英语

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

发表于:2019-01-03 / 阅读(196) / 评论(0)

电信英语

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

发表于:2019-01-03 / 阅读(181) / 评论(0)

电信英语

电信英语及其缩略语解释-8

CCCH Common Control CHannel 公用控制信道电信英语及其缩略语解释（8） CCD Charge Coupled Device 电荷耦合器件 CCF Conditional Call Forwarding 有条件呼叫前转 CCH Connectio

发表于:2019-01-03 / 阅读(127) / 评论(0)

电信英语

电信英语及其缩略语解释-13

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(137) / 评论(0)

电信英语

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

发表于:2019-01-04 / 阅读(178) / 评论(0)

2006年VOA标准英语（五月）

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

发表于:2019-01-06 / 阅读(156) / 评论(0)

英语杂谈

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

发表于:2019-01-13 / 阅读(115) / 评论(0)

VOA标准英语2010年(六)月

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

发表于:2019-01-13 / 阅读(138) / 评论(0)

VOA标准英语2010年(八)月

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

发表于:2019-01-14 / 阅读(189) / 评论(0)

购物英语口语一本通

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

发表于:2019-01-19 / 阅读(149) / 评论(0)

2018CRI中国国际广播电台

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,

发表于:2019-02-05 / 阅读(166) / 评论(0)

2007年VOA标准英语（四月）

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

发表于:2019-02-06 / 阅读(158) / 评论(0)

阅读空间

雅思分类词汇：学校课程名称

大学英语College English 高等数学Advanced Mathematics 体育Physical Education 军事理论Military Theory 机械制图Mechanical Graphing 算法语言Algorithmic Language 大学物理College Ph

发表于:2019-02-08 / 阅读(165) / 评论(0)

英文语法词汇

经济学人:百货商场的逆袭细数各个领域中的"平台"(下)

As everything from tooth brushes to tractors grows more connected, the phenomenon is spreading to other industries. 现在，从牙刷到拖拉机都充满了连接，这个现象已经扩展到了其他领域。 The latest iterations gather mounds o

发表于:2019-02-16 / 阅读(89) / 评论(0)

经济学人商业系列

夏说英语新闻晨读第498期:吓得我都不敢拆圣诞礼物了

本期内容： Jeff Bezos knows when you've been sleeping, when you're awake, and when you've been bad or good, because you didn't change the default privacy settings on the Amazon smart speaker you set up in your bedroom. This Christmas, families w

发表于:2019-02-20 / 阅读(98) / 评论(0)

夏说英语新闻晨读

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

发表于:2019-02-26 / 阅读(184) / 评论(0)

2019年VOA慢速英语(一)月

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学英语单词

2-hydroxyethyl-ethylenediamine-triacetic acid