asynchronous[a'si6 k ranas]a.异步的 serial[' sirian]a.串行的,串联的 transmission[ t raen z'mi∫an]a.传输,发送 interface[ i n taf e i s]r.接口

NEW WORDS AND PHRASES personalize[pa: sanal a iz]v.使个人化 convenient[kan'vi: n an t]a.便利的,方便的 rapidity[ra' p i d i t i]n.快,迅速 severe[si'via]a.严格的,严重的 estrict[ris' trik t]v.限制,约束 vary[' v Ear I]v.改变,变化,不同

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

Standard[ s t aen dad]n.标准 Hierarchy ['h a iara:ki]n体系,分层结构 Synchronous['s i6 k ranas]a同步的 Approve ra p r u:v]v.批准,审订,通过 Tributary [t r i bj u tar i]a支流的,从属的,辅助的 Map[map]v.绘制,设计,映射,变换

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

Word14 implementi mp manvt.实现,完成成 subscriber szh' ra) traffic[t raf]n.通讯(量),业务,信息量 architectural[a:ki 't ktfa ral]a.建筑上的,结构上的 denote[di' vt.表示,意味着 node[.节点

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