计算机通信专业英语-复习.doc

6 汉译英（每题5分，共25分）【4】最常用的网络服务是电子邮件。The most commonly used (network) service is electronic mail.【1】从技术上讲，一台计算机是任何一种计算设备。Technically speaking,the computer is any counting device.【2】一台计算机，也成为处理器，是一个计算机系统的“智能”部分。The computer, also called a processor, is the “intelligence” of a computer system.【3】计算机系统可大致分为4个组成部分：硬件、操作系统、应用程序和用户。An operating system is an important part of almost every computer system.A computer system can be roughly divided into 4 components:the hardware,the operating system.The applications programs and The users.【1】一个键盘，视频监视器和存储器被固定在微处理器上。A keyboard,video monitor,and memory were attached to the microprocessor.【5】4G被定义为频谱高效使用，能提供通过空中的高速服务且能提供无缝的互操作性、漫游及真实内容的一种网络。4G is defined as a network that is spectrum efficient and that can provide high speed services over the air and offer seamless interoperability,roaming,and really content.【2】一个模拟信号能在一固定范围内取得无穷多个可能的幅度。An analog signal can take an infinite number of possible amplitudes in a fixed range.【3】更加微妙和尚未达到破坏程度的情形是，敌手能够改动上述任何一项，同时展现合法的外表面实际上是虚假的。More subtle and short of destruction, adversaries can alter any of the above, presenting the appearance of legitimacy though the reality is false.【4】更为复杂的是出于种种邪恶目的（如为拒绝你及时访问你生存所需的正确信息，不一而足）的信息窃取。Morecomplexisthetheftofinformationforavarietyofnefariouspurposes(to deny you timely access to connect information that you need to survive,and so on)5 先分析红字部分的语法功能，然后翻译整句（每题5分，共25分）1 Personal communications services also include a number of advanced data services.做communication service 的前置定语个人通信服务也包括若干先进的数据服务。2 Although communication systems can be classified in a wide variety of ways, one common classification is as an analog system or a digital system.Although 引导一个让步状语从句虽然通信系统可以被许多方法分类，一种最通常的分类是分为模拟系统和数字系统。3 Pursuant to a Federal Communications Commission mandate for improved emergency call response, the location of a mobile emergency 911 caller can be provided to the nearest 125 m at least 67% of the time.Pursuant .是句子状语，用以修饰整个句子。按照联邦通信委员会改善紧急呼叫响应的命令，至少67%的时间紧急移动呼叫911的位置可以在最近的125m内被提供。4 For a start, IPTV is about securely delivering high quality broadcast television and/or on-demand video and audio content over a broadband network.作宾语成分，与about构成介宾首先，IPTV是关于安全发送高质量的广播电视以及/或者经过一个宽带网络按序点播音频和视频内容。1 The modulator changes the signal into a form suitable for transmission over the channel, while the demodulator reverses the process.作form的后置定语调制器将信号变成一种适用于在信道上传输的形式，而解调器逆转这个过程。2 It should be emphasized that these are relative categories, and what people call a mainframe computer system today may be called a microcomputer system at some time in the further.What引导的一个主语从句，作为第二个句子的主语。应该强调的是，这些只是相对的分类，今天人们称为大型计算机的系统在将来某个时间就有可能被叫做微型计算机。3 People describe microcomputers in terms of cost, physical dimensions, size of primary storage, and amount of data processed at a cessed at a time作data的后置定语人们在成本，物理维数，基本存储器大小以及在一定时间内的数据处理量方面对微型计算机进行描述。4 The types of services delivered via an IPTV service can include standard live TV, high definition TV (HDTV), interactive games, and high speed Internet browsing.作service的后置定语经过IPTV服务提供的服务的类型可以包括标准TV，高清TV,互动游戏和告诉因特网浏览。4 判断:有则改错，无则翻译（3+3+4=10）1 First the message is transmitted from the host to the message processor which it is attached.错改: First the message is transmitted from the host to the message processor to which it is attached.1 If a fixed dedicated end to end circuit were to be set up connecting the end users, then one must assign enough transmission bandwidth to the circuit.对如果连接端用户的一条固定的端到端的专用电路被建立，则必须要分配足够的传输带宽给这条电路。2 Without compression the video data, the amount of storage would have to be immense.对若不对视频数据进行压缩，则存储量将是巨大的。3 Operators who plan to deploy a relatively large system should therefore consider implement a Distributed Architecture model right from the start.错 implement -implementing4 (教材里的一句话P7) To address the problem of different network systems being incompatible and incapable of communicating with each other. 错2 The applications programs define the ways, in the ways these resources are used to solve the computing problems of users.此处in which 引导的是一个非限定性定语从句，从句对先行词the ways 做进一步说明3 Furthermore, calls in progress are not interrupted when traveling between service areas.本局是一个被动语态的简单句，但when引导了一个分词独立短语作为时间状语，此状语可理解为：当他们在服务区间行进时3 综合题（1题3分，共15分）2 缩写词MPEG的全拼是什么？汉译是什么？Moving Picture Experts Group :动态图像专家组2 缩写词VLAN的全拼是什么？汉译是什么？技术含义=？Virtual Local Area Network 虚拟局域网 技术含义：一种将局域网的设备从逻辑上划分为一个个的网段，从而实现虚拟工作组的新兴数据交换技术。1 In all probability you have been exposed to a microcomputer or a minicomputer system.请用英语解释词组 In all probability.。极有可能：it is very likely that 1 “帧”的英译=？基本的技术含义是什么？Frame数据在网络上的传输单位.3 Distributed Architecture requires intelligent and sophisticated content distribution technologies to augment effective delivery of multimedia contents over service providers network.请用汉语解释下划线部分。解释：智能和先进的（高级的）内容分配技术3 “交换机”的英译=？技术含义=？并举一例。Switch交换机是一种用于电信号转发的网络设备，可以为接入交换机的任意两个网络结点提供独享的电信号通路。4 给出“转能器（transducer）”的纯英定义。A device for converting energy form one form to another.5 Remarkably, the local-access part of this network has remained relatively unchanged. 问：remained和unchanged分别是什么词性？短语relatively unchanged 的语法成分是什么？unchanged的语法成分是什么？Remained是系词，unchanged是过去分词Relatively unchanged作谓语二选择题C 1 In the OSI model, there are seven _C_ layers.A. number B. numbering C. numbered D.to numberC 2 The user should know where the resources locate and also should know some operating commands C .A. concern B. concerning C. Concerned D. to concernD 3 First the message is transmitted from the host to the message processor, _D_which it is attached.A. on B.for C.with D.toB 4 The label “personal computer” was _D_ microcomputers because it was designed for use by one person at a time.A. associated B.associated with C.associated to D.associating toC 1 The microprocessor is _C_ sensors that monitor the weight of the elevator.A. connecting with B.connected with C.connected to D.connecting toB 2 Before _B_ the circuit board, the microprocessor and other chips are mounted to a carrier.A. being attached of B.being attached to C.been attached to D.are attached ofC 3 _C_ the most part, this one-to-one relationship still holds true. However, some micros or PCs can handle several users _.A. On, simultaneously B. With, asynchronously C. For, simultaneously D. To, asynchronouslyA 4 Microprocessors make A possible for elevators to converse with us.A. it B.its C.its D.一填空题1 _Unauthorized_use(非授权使用) of system resources and is exemplified by the theft of telephone service.2 _networking infrastructure based on IP_(基于IP的连网基础设施).3 Through _backbone_ (主干网) systems.4 Enough transmission _bandwidth_ (宽带) to the circuit.5 _Only_(副词) in a limited number of cases can it be _adapted to_(调整到) other services.6 It has been found that noise can be introduced into _transmission path_ (传送通道) in many different ways.7 To understand the characteristic of optical fibers will give us an appreciation of what _an optical fiber_ (一根光纤) does.8 A basic _cellular system_ (蜂窝系统) consists of three parts: a mobile unit, a cell site, and a mobile telephone switching office _with_ (提示:介词)9 As a system managers, your job is to _maximize the effciency_ (效率极大化) of your systems.10 The simplest way _to access a file_ (访问一个文件) on any Internet machine is to copy It across the net work to your local machine.11 The user should know where the resources locate and also should know some _operating commands concerned_ (有关的操作命令).12 They consider that the OSI _reference model （参考模型）is the best tool available to teach people about sending and receiving data on a net work.13 If a fixed _dedicated end-to-end circuit_ (端到端的专用电路) were to be set up connecting the end users, then one must assign enough transmission _bandwidth_ (带宽) to the circuit.14 If the _video data_ (视频数据) had not been compressed, the amount of storage would have to be immense.15 _speech and images_ (语音和图像) are analog signals.16 Telecommunications users had to use telephone devices that were _hard-wired to_ (硬连接到) the PSTN.17 The _microprocessor_ (微处理器) is a product of