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无线通信14485.ppt

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无线通信14485.ppt
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1,Computer English I,Introduction,2,Skills,Familiar with computer technical terms Correct and exact translation Proper understanding,3,Familiar with computer technical terms,cellular telephone analog transmission monolithic system passive hub dedicated access user authentication 无线通信 计算机安全 因特网服务供应商 数字签名 数据流 电子货币,4,Familiar with computer technical terms,cellular telephone 蜂窝电话(移动电话) analog transmission 模拟传输 monolithic system 单片机系统 passive hub 被动式集线器 dedicated access 专线访问 user authentication 用户认证 无线通信 wireless communications 计算机安全 computer security 因特网服务供应商 ISP (Internet Service Provider) 数字签名 digital signature 数据流 data flow 电子货币 electronic money,5,Correct and exact translation,A virus or other unwelcome surprise can lurk in your computer system for days or months without discovery. A time bomb is a computer program that stays in your system undetected until it is triggered by a certain event in time, such as when the computer system clock reaches a certain date. Data communications is the process of transmitting and receiving data in an orderly way so the data that arrives at its destination is an accurate duplication of the data that was sent .,6,Correct and exact translation,A virus or other unwelcome surprise can lurk in your computer system for days or months without discovery. A time bomb is a computer program that stays in your system undetected until it is triggered by a certain event in time, such as when the computer system clock reaches a certain date. (8 points),病毒或者是其他的不速之客(1分)可以不被发现(1分)地潜伏(1分)在你的计算机系统中几天或者数月。时间炸弹(1分)是一种计算机程序,它隐藏在你的系统中(1分),直到被某一时间事件触发才被发现(2分),例如当计算机系统时钟到达某一日期时(1分)。,7,Correct and exact translation,Data communication is the process of transmitting and receiving data in an orderly way so the data that arrives at its destination is an accurate duplication of the data that was sent .(8 points),数据通信(1分)是以有序的方式(1分)来发送和接收数据的过程(2分),因此到达目的端的数据(2分)是发送的数据的精确复制(2分)。,8,Proper underst
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