1. The Internet is the largest repository of information which can provide very very large network resources. The network resources can be divided into

1. to know Cellular Mobile Telephone System Teaching 2. to understand the construction of cellular mobile telephone system Objectives

I. Revision Teacher uses the following exercise to help the students to revise the important expressions or phrases or sentences which were learnt in the loud speaker, study of last unit eacher: When I say a phrase or an expression in Chinese, you respond by blackboard

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

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.to know the development of switching techniques Teaching 2.to understand the main ideas of the text Objectives 3.to master the useful sentence structures, words and expressions used in the relevant exercises

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

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

Lesson Number 14(Unit 14) Telecommunications Grade Teaching Mode Lecturing Content The Public Telecommunication Network Class hours 2 Periods 1. to know the concept, the four generic architectural components and the five classes of switching centers about the public telecommunication network

1. to know the three basic processes of PCM: Sampling Quantizing Encoding Teaching 2. to understand that PCM is the heart of technology in communications in Objectives