手工电报交换机;人工电报交换机

两者均可表示电报,但 telegram 指通过电报发出的电文,通常用作可数名词;而 telegraph 则指用电报发送信息的通讯方式,通常用作不可数名词。如: She received a telegram of congratulations. 她收到一份

发表于:2018-12-16 / 阅读(57) / 评论(0) 分类 英文语法词汇

Roger's job requires him to take pictures of apartment interiors. A wide-angle lens is best for taking these pictures. Roger bought a new camera with a wide-angle lens. He took the camera home. He read the manual. The manual said nothing about how to

发表于:2018-12-26 / 阅读(63) / 评论(0) 分类 英文短篇故事(纽约)

补充: CBR continuous bit rate CCIS common-channel interoffice signaling CCITT CCITT is the International Consultative Committee for Telephone and Telegraph, a consultative committee to the Interna

发表于:2019-01-03 / 阅读(58) / 评论(0) 分类 电信英语

Channel A channel is a single communications path in a transmission medium connecting two or more points in a network, each path being separated by some means; e.g., spatial or multiplex separation, s

发表于:2019-01-03 / 阅读(63) / 评论(0) 分类 电信英语

I Need a User Manual for My Life! I was doing something routine a couple of days ago paying some first of the month bills online and I got stuck. For the life of me, I couldnt remember the name of one of the people I send payments to. All the informa

发表于:2019-02-02 / 阅读(80) / 评论(0) 分类 阅读空间

Broadcast on COAST TO COAST: July 24, 2003 AA: I'm Avi Arditti with Rosanne Skirble, and this week on WORDMASTER -- a look at the book writers turn to settle questions of style. RS: University of Chicago Press is just out with the 15th edition of the

发表于:2019-02-16 / 阅读(56) / 评论(0) 分类 词汇大师(Wordmaster)