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

发表于:2019-01-03 / 阅读(60) / 评论(0) 分类 电信英语

Frame In time division multiplexing systems, Frame is a sequence of time slots each containing a sample from one of the channels carried by the system. The frame is repeated at regular intervals, (nor

发表于:2019-01-03 / 阅读(42) / 评论(0) 分类 电信英语

序号 中 文 英 文 术语解释 缩写 来源 181 运行,管理和维护 Operation,Administration and Maintenance OAM YD/T 1273-2003 182 光功率放大器 Optical Boosting Amplifier OBA YD/T 12

发表于:2019-01-08 / 阅读(79) / 评论(0) 分类 电信英语

概述: Module format IELTS Academic Writing lasts a total of 60 minutes. It consists of 2 tasks (Writing Task 1 and Writing Task 2) and candidates must answer BOTH tasks. Answer format Candidates write their answers in pen or pencil on Answer Shee

发表于:2019-01-08 / 阅读(91) / 评论(0) 分类 雅思英语

8462 谢振礼雅思范文:垃圾社会 IELTS Essay: The Throw-away Society 20121206 Online Lab. Jeenn Lee Hsieh ielts360toefl@hotmail.com 雅思真题 IELTS Writing Task 2: 1 类似真题Nowadays people always throw old things away and buy news th

发表于:2019-02-09 / 阅读(79) / 评论(0) 分类 雅思英语

第一篇作文(无论是书信或图表)评分标准由四个方面组成。第一个是Task Achievement(任务完成),第二个是Coherence and Cohesion(内容连贯与篇章衔接),第三个是 Lexical Resource(词汇资源),第四个是 Gra

发表于:2019-03-13 / 阅读(129) / 评论(0) 分类 雅思英语