GMDSS 英语阅读单选题 1. IMO has decided that all ships over 300TGt must be fitted with a NAVTEX receiver ______ . A. by 01 Feb 1992 B. by 01 Aug 1993 C. between 01 Feb 1992 and 01 Feb 1999 D. before 01 Feb 1992 B

I单项选择 1.抽样频率 a. sampling rate b. repetition rate c. sampling frequency 答案:c 2.数字通信 a. digital communication b. digital transmission. transmission path 答案:a

1. to know current situation and the future in the telecommunication world Teaching 2. to understand the main idea and organization of the text

1. to know The Integrated Services Digital NetworkTeachi 2. to understand the construction of The Integrated Services Digital NetworkObjectives 3. to master some important new words and passive voiceFocal

1. to know the origin, operation and disadvantages of asynchronous serial data transmissioneaching 2. to understand the main idea and organization of the tex Objective

1. to know the transmission media of data signals, the structure of full-duplex data transmission system and its peration and the coding of data signals 2. to understand the main idea and

1. to know the operation and application of sDh eaching 2. to understand the main idea and organization of the tex Objective

1. to know The Development of Paging System Teaching 2. to understand the construction of paging system Objectives

1. what have we learned in the Unit projector, Possible answers: cellular Mobile Telephone System 2. What is cellular Mobile Telephone System? loud speaker Possible answers: to reuse the allocated frequency band in different geographic locations blackboard

1. Detailed analysis of difficult sentences in the text; 2. the usages of pastparticiple phrases; 3. Affix: inter-, multi