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

发表于:2018-12-08 / 阅读(49) / 评论(0) 分类 电信英语

digital revolution 数 字 革 命 digit 数 字 (码 位 ), 数 位 digital economy 数 字 经 济 digital earth 数 字 地 球 digital subsistene 数 字 化 生 存 digital museum 数 字 博 物

发表于:2019-01-03 / 阅读(79) / 评论(0) 分类 电信英语

A unique array of underwater listening devices stretches 3,000 kilometers along the west coast of North America to track marine life along the continental shelf. It's like giving fish a cell phone, says Pacific Ocean Shelf Tracking (POST) executive d

发表于:2019-01-11 / 阅读(43) / 评论(0) 分类 VOA标准英语2010年(九)月

由于传统的英语教学里面不涉及小作文的内容,所以雅思写作的小作文部分一直是很多同学的软肋。不会说名称,不知如何分析对比,即使有思路却不知如何表达,成为很多同学的问题。下面

发表于:2019-01-18 / 阅读(74) / 评论(0) 分类 雅思英语

By Paul Sisco Washington, DC 02 August 2006 watch Viking report An illustration of a Viking landing on the red planet Thirty years after the first successful landing of a robotic probe on Mars by NASA's Viking spacecraft, the search for life on the

发表于:2019-02-03 / 阅读(91) / 评论(0) 分类 2006年VOA标准英语(八月)

Today we are joined by Li Yong, vice chairman of the China Association of International Trade. Q1. The thing that sticks out most to me is food prices, with pork skyrocketing 33 percent. How does that fit into the interpretation of the CPI data ? Q2.

发表于:2019-02-18 / 阅读(68) / 评论(0) 分类 cctv9英语新闻2016年