资料交换设备

华尔街中级英语Lesson 61

50.There it is, nicely set up. I’m ready to switch it on now. But what am I going to do with this plug? 51.I can’t see anywhere to plug it in. hey, Maurice! Excuse me! Damn it, he’s still asleep

发表于:2018-12-12 / 阅读(66) / 评论(0)

华尔街中级英语

VOA慢速英语--How to Protect Yourself from 'Ransomware'

Last Friday, the largest cyberattack ever affected more than 200,000 computers in more than 150 countries. The attack used a virus that locked the computers' data. The attackers demanded payment to unlock the computers. The virus, called WannaCry, in

发表于:2019-01-02 / 阅读(20) / 评论(0)

2017年VOA慢速英语(五)月

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

发表于:2019-01-03 / 阅读(38) / 评论(0)

电信英语

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

发表于:2019-01-03 / 阅读(70) / 评论(0)

电信英语

电信英语及其缩略语解释-13

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

发表于:2019-01-03 / 阅读(62) / 评论(0)

电信英语

【英语趣味课堂】机场工作-Airplane Job

Todd: Alexandra, you worked at an airport before. You said you worked in Aviation. Alexandra: Yes, my previous job was write contracts for an aviation company and we bought and sold airplanes and aircraft engines, so we did a lot of marketing and lea

发表于:2019-02-16 / 阅读(28) / 评论(0)

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