单词：optical-fiber communication systems
单词：optical-fiber communication systems 相关文章
The Telecommunications Revolution (The Telecommunications Revolution) A transformation is occurring that should greatly boost living standards in the developing world. Places that until recently were deaf and dumb are rapidly acquiring up-to-date tel
新视野大学英语读写教程(4)
Callum: Hello, today in Talk about English we have the fifth programme in our series on culture and communication. Today Marc Beeby looks at the topic of non-verbal communication communication without language. People from different cultures speak d
英语讨论
This is Scientific American's 60-Second Science. I'm Christopher Intagliata. Got a minute? Whether it's for streaming Netflix or sharing files, we're gobbling up more and more dataand we want it faster. But even shooting data with lasers over fiber-o
Scientific American(五)月
World Post Day happens each year on the 9th of October. This date is the anniversary of the Universal Postal Union (UPU), which started in 1874 in Switzerland. The UPU was the start of the global communications revolution; people could write to other
英语课程学习计划和讲义
Simple Network Management Protocol (SNMP) SNMP is the application protocol offering network management service in the Internet suite of protocols. A structure for formatting messages and transmitting
电信英语
Transmission Facilities Transmission facilities provide the communication paths that carry user and network control information between nodes in a network. In general, transmission facilities consist
电信英语
OAM operation administration maintenance OCC other common carriers Ohms Restriction Ohms Restriction is the same as Ohms resistance. Ohms are measures of resistance. A resistance of one Ohm allows one
电信英语
DCC Data Country Code 数据国家号码(3位) DCC Digital Cross Connect 数字交叉连接 DCCE Digital Cell Center Exchange 数字小区中心交换机 DCCH Dedicated Control CHannel 专用控制信道
电信英语
The Nobel Prize in physics goes to Charles Kao, of Standard Communications Labs in England and the Chinese University of Hong Kong, and George Smith and Willard Boyle of Bell Labs in New Jersey. Kao figured out how to transmit light over long distanc
Scientific American(十)月
Reporters on the Streaming down the Yangtze River tour have arrived in Hubei's capital, Wuhan. As part of their time there, the reporters have visited the East Lake Hi-tech Development Zone, a national innovation demonstration zone, which is also kno
2018CRI中国国际广播电台
Nobel Prize in Physics The 2009 Nobel Prize in physics goes to Charles Kao of Standard Communications Labs in England and the Chinese University of Hong Kong for the invention of practical optical fiber communication, and George Smith and Willard Boy
60秒科学
By Anjana Pasricha New Delhi 01 February 2008 India is continuing to suffer from sluggish Internet service, although the situation has improved somewhat since damage to undersea cables in the Mediterranean caused widespread net disruptions. Anjana Pa
VOA常速英语2008年（二月）
German scientists dug 50 meters down and discovered small pieces of copper. After studying these pieces for a long time, Germany announced that the ancient Germans 25,000 years ago had a nation-wide telephone net. Naturally, the Russian government wa
趣味英语
The first quantum communications satellite developed by China is expected to launch in July of this year. The BeijingShanghai quantum private communications line will also be opened in the second half of this year, according to Pan Jianwei, academic
英语新闻
二、声名教育水平 Stating Your Education 1、Useful Courses for English-teaching include: Psychology, teaching methodology,phonetics, rhetoric, grammar, composition. 对 英语 教学有用的课程搜罗：心理学、教学体例论、语音学
实用英语
Stating Your Education（说明教育程度）Useful Courses for English teaching include: Psychology, teaching methodology, phonectics, rhetorie, grammar, composition. 对英语教学有用课程包括：心理学、教学方法论、语音学、修辞
实用英语