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

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asynchronous[ae' s ekranas]a.异步的 multiplex[' mAI ti ple k sv.多路复用 ntal[i'nij1]a.最初的,开始的 universal[ju:ni'va:sa1]a宇宙的,普遍的,通用的 packet[' p aek i t]n.小包,分级

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

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 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