寻找英语高手翻译和写作文

Part Ⅴ: Translate the following sentences into Chinese (10*4’ =40’)
(1)This progress can be attributed to the expertise of research, academic, and engineering communities whose dedication to excellence and open collaboration on global basis have surpassed the usual commercial pressure for time to market and competitive secrecy. 
(2)Five of the 53 bytes are header information and include bits that identify the type of information contained in the cell---voice, data or video—so the cell can be prioritized. 
(3)Advantages of Optical Fiber Communication are as follows: 
Enormous potential bandwidth 
Small size and weight 
Electrical isolation 
Immunity to interference and crosstalk 
Signal security 
Low transmission loss 
Ruggedness and flexibility 
System reliability and ease of maintenance 
Potential low cost 
(4)In most cases it is not a problem as additional capacity is usually installed as a matter of course. 
The MPEG standard also includes the compression of high-quality stereo sound. Using MPEG standards, an entertainment video (together with audio soundtrack) can be compressed into a digital data stream that requires a communication channel bandwidth of 1.5Mbps, while a broadcast television channel would require of the order of 6Mbps. 
One of the strengths of the classical theory of computation is that it abstracts 
Part Ⅵ: Essay Writing (20’) 
Choose one of the topics below and write an essay no less than 150 words.  A.Development trend of modern communication system  
B.Potential Advanced technologies for computer software 
C.On the Sound and Multimedia Signal Processing
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最佳答案
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2008-06-28 回答
Part Ⅴ: 
(1)这一进展可以归因于专业知识,研究,学术,工程和社区的奉献精神,以卓越的和公开的合作,对全球的基础上已超过了一般商业的压力,时间,市场和竞争的保密。
(2)53个字节中的5个的标题信息,包括位识别类型的信息载于细胞---语音,数据或视频,使细胞可以优先次序。
(3)光纤通信的优势如下: 
巨大的潜在带宽
小的尺寸和重量
电气隔离
豁免权的干扰和串扰
信号的安全性
低传输损耗
耐用性和灵活性
系统的可靠性和易用性维修
有潜力的低廉
(4)在大多数情况下,这不是一个问题,额外的容量通常安装作为一个理所当然的事。 
该MPEG标准还包括压缩高品质的立体声音响。使用MPEG标准,娱乐视频(连同音频原声带)可以压缩成一个数字化的数据流需要一个沟通渠道,带宽为1.5 Mbps ,而广播电视频道将要求6mbps的命令。
经典理论计算的其中一个优点是它精简。