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STEVE EMBER: And Im Steve Ember with EXPLORATIONS in VOA Special English. Today we tell about the history of radio and the latest technology. (MUSIC) SHIRLEY GRIFFITH: Our story begins in Britain in eighteen seventy-three. A scientist named James Max

Inventors Win Award for Machine that Creates Water from Air

Water is a necessary resource for the health and survival of living things. But the availability of fresh water is decreasing for much of the worlds population. The United Nations estimates that about 3.6 billion people currently live in areas that f

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1. In Mississippi, they are cleaning up after a tornado that killed ten people. Now, emergency officials are surveying the damage with the area likely eligible for federal aid. Severe weather also rolled through other parts of the Southeast, causing

AP美联社一分钟新闻(2010-04-29)

1. In Mississippi, they are cleaning up after a tornado that killed ten people. Now, emergency officials are surveying the damage with the area likely eligible for federal aid. Severe weather also rolled through other parts of the Southeast, causing

NPR 2011-10-22

President Obama is calling all American troops home from Iraq before year's end, closing a long and deeply divisive chapter in US history. After nearly nine years, America's war in Iraq will be over. Washington and Baghdad have been unable to reach a

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赫兹全球最大租车公司 Hertz is the world's leading vehicle renting organization. It operates from approximately 7,700 locations in 145 countries worldwide. It is the largest general use car rental brand in the world and is the number one air

各大品牌英文介绍 Hertz

Hertz is the world's leading vehicle renting organization. It operates from approximately 7,700 locations in 145 countries worldwide. It is the largest general use car rental brand in the world and is the number one airport car rental brand in the U.

VOA慢速英语2018--July 23, 2003: History of Radio

(THEME) VOICE ONE: This is Steve Ember. VOICE TWO: And this is Faith Lapidus with the VOA Special English program EXPLORATIONS. You are listening to our program today on a radio. Almost no communication would exist in the world without the electromag

电信专业英英词典H-1

Half Duplex Half duplex is a transmission path capable of transmitting signals in both directions, but only in one direction at a time. HDLC high-level data link control Header The header is control i

电信专业英英词典M-3

Multimode Optical Fiber(S) Multimode fibers, with much wider cores than single mode fibers, allow light to enter at various angles, and reflect (bounce off of) core-clad boundaries as electromagnetic

EXPLORATIONS - The Story of Radio

EXPLORATIONS - The Story of Radio By Paul Thompson Broadcast: Wednesday, June 01, 2005 (MUSIC) VOICE ONE: This is Steve Ember. VOICE TWO: Satellite technology can broadcast radio anywhere. And this is

SSS 2009-01-09

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. Have you ever turned off your lights and heard [mosquito buzz]? To you its a sound that signals bites in the night. But to a male mosquito its a love son

乔布斯传 第108期:现实扭曲力场

Playing by His Own Set of Rules 以自己的游戏规则行事 When Andy Hertzfeld joined the Macintosh team, he got a briefing from Bud Tribble, 安迪赫茨菲尔德加入Mac团队后，另一名软件设计师巴德特里布尔 the other software

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Texaco Towers 德士古塔 A few days after Raskin left, Jobs appeared at the cubicle of Andy Hertzfeld, a young engineer on the Apple II team, 拉斯金离开后没几天，乔布斯就出现在了安迪赫茨菲尔德的小隔间里。安迪是Appl

乔布斯传 第133期:我们当海盗吧!

Let's Be Pirates! 我们当海盗吧！ As the Macintosh team grew, it moved from Texaco Towers to the main Apple buildings on Bandley Drive, 随着麦金塔团队的不断扩大，它从德士古塔搬到了位于班德利大道的苹果公司主办公

乔布斯传 第151期:真正的艺术家总能完成作品(2)

That put all the more pressure on the Macintosh, due out in January 1984, three months away, to save the day against IBM. 这一切都令将于3个月后（即1984年1月）发布的麦金塔电脑压力更大，它将成为扭转败局的关键。 A

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Exodus 出埃及记 Andy Hertzfeld had taken a leave of absence after the Macintosh came out in 1984. 1984年麦金塔发布后，安迪赫茨菲尔德休了一段时间假。 He needed to recharge his batteries and get away from his supervisor, 他需

乔布斯传 第206期:像一块滚石(3)

So what really happened? Hertzfeld asked. Is it really as bad as it looks? 到底发生了什么？赫茨菲尔德问道，真的有这么糟吗？ No, it's worse. Jobs grimaced. It's much worse than you can imagine. 不，更糟，乔布斯一副愁眉

乔布斯传 第317期:安家(6)

After leaving Apple, Smith descended into schizophrenia. 离开苹果后，史密斯逐渐患上了双极躁狂抑郁症和精神分裂症。 He lived in a house down the street from Hertzfeld, and as his disorder progressed he began wandering the st

乔布斯传 第321期:丽萨住了进来(3)

Her relationship with her father remained tumultuous throughout her college years. 她跟父亲的关系在她的大学时代一直不太平静。 When she would come home, fights over small things 她就算回家，两人也会为了些鸡毛蒜皮的