豆知识 2011-07-24&07-30 无线信号发生器的发展史

It starts with a blip, a beep, a noise, a pattern, a signal. It could be anything - ink on paper, machine data, or even the words flowing through your minds right now. Signal generators play an important role in testing devices we use every day. The

生活大爆炸第二季第五集_2：The Euclid Alternative

-Leonard：Look, I need to get enter the laser lab. You're just gonna have to find someone else to take you home. 反正我要用激光实验室，你只能找别人送你回家了。 -Howard：Ah, damn, I picked the wrong side. 该死，我站错队了

电信专业英英词典B-3

补充： Backbone - A series of high-speed network connections through which other networks connect. Bandwidth - According to Webster's: a range within a band of wavelengths, frequencies, or energies

电信专业英英词典C-1

Cache - Generally, a place to temporarily store something. Regarding computers and telecommunications, it is a place where data is temporarily stored during transmission. Call - This is a connection b

电信专业英英词典Q

电信专业英英词典W, X, Y, Z

WAN wide area network WARC World Administrative Radio Consortium WATS Wide-area telecommunications services. See Wide-area telecommunications services. Waveform amplitude (magnitude) versus time repre

电信专业英英词典D-5

DCE data circuit terminating equipment DCP digital communications protocol DCS digital cross-connect system DDD direct distance dialing DDN Defense Data Network Digit L Digital L is another amplitude

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-1

Abort - To stop doing something. Particularly, to exit a software program or stop receiving or sending a message. Access - (1) (verb) to get use of something, or (2) (noun) refers to a particular leve

电信英语及其缩略语解释-2

ASE Application Service Element 应用服务单元 ASE Amplified Spontaneous Emission 放大自发辐射 ASIC Application Specific Integrated Circuit 专用集成电路 ASF Advanced Streaming Format 高

SSS 2010-11-02

This is Scientific American's 60-Second Science. I'm Christopher Intagliata. Got a minute? Toss a piece of leaf onto a spider web. The spider is indifferent. Because leaves don't squirm like captured flies. But Australia's assassin bug turns the tabl

NPR 2010-11-13

President Obama's spending the last two days of his Asia tour in Japan, shoring up trade support at a regional summit after suffering a few setbacks. Earlier at the G20 meeting in Seoul, the president was unable to secure a free trade pact with South

美国国家公共电台 NPR 'King Kong' On Broadway Is The 2,400-Pound Gorilla In The Room

NOEL KING, HOST: There is a new star on Broadway. He's 20 feet tall, weighs 1.2 tons, and his name is King Kong. He's a puppet, and he's the centerpiece of a $35 million musical based on the original film that opens tonight on Broadway. Reporter Jeff

鸡尾酒雾气让你醉个够

Cocktail fans in London will want to take deep breaths when they enter a pop-up bar that opens on Thursday, July 30, on the site of an ancient monastery in Borough. 位于博罗市场古老修道院内的一家快闪酒吧于7月30日开放，伦敦爱

研究：吃鸡蛋让人变慷慨

If you are looking for a loan, serving your bank manager breakfast might just do the trick. 如果你准备申请贷款，不妨为银行经理准备早餐，问题即可迎刃而解。 A compound found in eggs makes people much more generous, new re

美国语文第六册 第39期:早晨的清唱剧(5)

The little hairbird still continues his almost incessant chirping, the first to begin and the last to quit the performance. 小小的梳妆鸟依旧在无休止地啾鸣，先是第一只开始，直到最后一只停止表演。 Though the voice of

美国语文第六册 第36期:早晨的清唱剧(2)

In the morning, at this time of year, on the contrary, we are overpowered by the vocal and multitudinous chorus of the feathered tribe. 与之形成鲜明对比的是，每年这个季节的清晨，我们都会被长着羽毛的族类那动听和多声

英语听书《海底两万里》第296期 第22章 强逼睡眠(1)

But the Nautilus wanted nothing to do with these nasty animals. Timor Island was visible for barely an instant at noon while the chief officer determined his position. 但诺第留斯号跟这些怪难看的动物并没有什么交道可打。帝位岛

经济学人445:世界上首次中微子通信服务

Science and technology. 科技。 Neutrino communications 中微子通信 ET, phone home 外星人，致电家中 The world's first neutrino-messaging service 世界上首次中微子通信服务 PARTICLE physics is all very well for addressing trivi

强烈推荐考研高频词汇二-A

A abbreviation,absorption,abstract,abundance,acceleration,acceptance, accessory,accommodation, accordance,acquaintance,acquirement,acquisition,adjustment,administration, admiration,admission, adoption