计算机通信专业英语-复习.doc

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.p24 【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。 More?complex?is?the?theft?of?information?for?a?variety?of?nefarious?purposes(to deny you timely access to connect information that you need to survive,and so on) 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