数据通信系统（一）

Data Communication Systems There are five basic types of data communication system: Off-line data transmission is simply the use of a telephone or similar link to transmit data without involving a com

'Funeral of the Future' Memorializes With Digital Footprints

'Funeral of the Future' Memorializes With Digital Footprints LOS ANGELES When a person dies in this age of social media, his digital imprint may live on. One California artist is exploring how to use digital artifacts to create a futuristic funeral.

向前一步:第71期 职业生涯中的长远梦想及短期目标(3)

Younger colleagues and students frequently ask me how I planned my path. 比我年轻的同事和学生经常问我是怎样进行职业规划的， When I tell them that I didn't, they usually react with surprise followed by relief. 当我说自己其

‘Smart’ Thermometers Record Spread, Intensity of Influenza

When a child feels sick, one of the first things a parent does is reach for a thermometer. That common reaction got one man thinking. Inder Singh is a health policy expert. He wondered what if the thermometer, in addition to measuring body temperatur

科学家称北极的暖冬气温已破纪录

Record Warm Winter in Arctic, Scientists Say New weather information shows the Arctic just had its warmest winter on record. The same information also shows that sea ice hit record lows for this time of year. That means there is plenty of open water

Powerless Aircraft Sets Altitude Record

Two pilots recently set a new altitude world record for gliders. A glider is an aircraft that does not have an engine. They are pulled into the air by powered airplanes and then released. They are designed to ride warm, rising air to gain altitude. T

电信专业英英词典D-1

DAMA - Stands for Demand-Assigned Multiple Access. This is a way to instantaneously assign telephony channels in a transponder according to the immediate traffic demands. Dash - This is the the charac

电信专业英英词典F-1

Fade - This is a reduction in the received signal. It is caused by absorption, refraction, or reflection. Fax - This is a shortening of Facsimile, and it refers to one fax machine sending a digital re

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

北京环保局将对环保数据作假零容忍

Beijing's environment authorities last Friday vowed zero tolerance to falsification of environmental figures, after Net users complained that mist cannons, or the magic smog cleaner, are used around the capital's air quality monitoring stations so th

英语科普文选：多媒体到底意味着什么

What Does the Multimedia Actually Mean? Literally, multimedia means TWO or more media. If the publisher of this book Wanted to join the Current hype about multimedia, he could advertise the book as using multimedia technology. After all, it contains

英语面试口语：关于会计职务

关于会计职务 642．Excuse me，sir．May I apply for the position of accountant？ 先生，我可以申请会计一职吗？ 643．Sure．Please sit down． 当然可以，请坐。 644．What university did you graduate from？ 你从哪所学校

voa标准英语2008年-Record Number of Americans Vote Early, Data Fav

Record numbers of Americans have already cast their ballots in early voting - more than 28 million people in 34 of the 50 states. Election statistics and a new opinion survey show that registered Democrats are turning out to vote early in far greate

美国有线新闻 CNN 2013-01-13

Newtown Connecticut, Aurora Colorado, Tucson Arizona, when a mass shooting happens, like we've seen in the those cities, the issue of gun control often comes up. President Obama has said he wants to take action on this, he's put Vice president Joe Bi

China Releases HD Satellite Images

On June 6, China published the first batch of photos captured by Gaofen-1, China's first high-definition earth observation satellite. Those pictures will provide valuable information of natural condition and disaster prevention. Li Dong has the detai

【英语趣味课堂】让孩子远离科技产品-Keeping Technology away from Children

Rebecca: Alright, so today we're going to talk about kids and technology. So Gareth, you're a father. Do you have any opinions on when children should be introduced to technology? Gareth: Yeah, I have a lot of opinions. I'm really interested in paren

英语听力文摘 English Digest 468、流产和乳腺癌

Abortion and Breast Cancer When it comes to certain hot topics, claims about what science has or hasnt proven tend to be thrown around more in the service of one position or another than anything else. Somebody may tell you that global warming is abs

U.S. stocks rally to start 2012

NEW YORK, Jan. 3 (Xinhua) -- The U.S. stocks rallied on Tuesday, the first trading day of 2012, as investors welcomed a batch of upbeat economic data. The Dow Jones industrial average gained 179.82 points, or 1.47 percent, to 12,397.38. The Standard

2016年CRI China Releases First-batch Images Captured by Gaofen-4 Satellite

The State Administration of Science, Technology and Industry for National Defense released 17 pictures captured by Gaofen-4 on Wednesday, covering an area of at least 400 kilometers. The project's chief designer, Tong Xudong, said Gaofen-4 is in good

常用职位英汉对照

Accounting Assistant 会计助理 Accounting Clerk 记帐员 Accounting Manager 会计部经理 Accounting Stall 会计部职员 Accounting Supervisor 会计主管 Acting President 代理总裁 Actor 演员 Actress 女演员 Adjunct Professor 副教授