[自] 模拟数字混合仿真

The United States is working closely with Nigeria to improve efficiencies in the vital oil sector. 美国正与尼日利亚紧密合作,以提升重要行业石油业的效率。 The U.S. Commercial Service Nigeria sponsored a Single Company Promot

发表于:2018-12-08 / 阅读(156) / 评论(0) 分类 VOA标准英语2017年(二月)

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(78) / 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(93) / 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(97) / 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(80) / 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(159) / 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(135) / 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(110) / 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(117) / 评论(0) 分类 英语杂谈

Venice's Church of the Most Holy Redeemer has held a musical celebration every year since its construction in 1592. And recently, the church has inspired debate among historians: How could its echoing chambers clearly portray the complicated music pe

发表于:2019-01-08 / 阅读(123) / 评论(0) 分类 Scientific American(十一)月

School Helps Dogs with Fear of Flying 学校帮助狗狗克服飞行的恐惧 Welcome to American Mosaic from VOA Learning English. Im June Simms. Today on the show we tell you about some unusual training for some exceptional animals: service dogs. T

发表于:2019-01-12 / 阅读(96) / 评论(0) 分类 2014年VOA慢速英语(七)月

Simulation Helps Control, Manage Traffic 模拟有助于控制、管理交通 Controlling traffic is a complex and high cost problem in many developed countries. It becomes more difficult and costly with the ever-increasing number of cars on the road

发表于:2019-01-12 / 阅读(100) / 评论(0) 分类 2015年VOA慢速英语(八)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(80) / 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(147) / 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(111) / 评论(0) 分类 2018CRI中国国际广播电台

Star Rangers is an impressive astronaut simulation game created in collaboration with NASA which allows you to explore the solar system, land on planets, build base camps and go where no man has gone before. 《星际游侠》是一款美国国家宇航

发表于:2019-02-05 / 阅读(82) / 评论(0) 分类 阅读空间

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(128) / 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(116) / 评论(0) 分类 阅读空间

Six scientists have completed a yearlong Mars simulation in Hawaii, where they lived in a dome in near isolation. 近日,六名科学家在夏威夷一个近乎完全隔绝的圆顶屋中完成了为期一年的火星模拟生活。 For the past ye

发表于:2019-02-16 / 阅读(48) / 评论(0) 分类 英语新闻

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(134) / 评论(0) 分类 2019年VOA慢速英语(一)月