通过提示，输入长方体的长宽高，则就可以计算出体积输出。...

专门论述遗传算法的一本全面的教材。内容详细，讲解精辟。-Genetic algorithms devoted to a comprehensive teaching materials. Detailed and insightful talk.

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matlab《主成分分析》的源代码,是化学计量学的模式识别的主要程序。-matlab

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一个不错的软件工程课件,内容丰富翔实，希望对大家有用-A good software engineering courseware, content-rich and informative and hope for all of us

:针对不可否认L-L-C-Z门限代理签密协议中存在的安全缺陷，提出了一个改进的门限代理签密协议.通过 对L-L-C-Z门限代理签密协议的密码分析，利用接收方修改公钥的方法，计算出任意消息的有效伪造签密结果.利 用类似于缩短的数字签名标准(SDSS)的安全技术，以及通过公钥验证签密结果的技术，给出一个新的改进协议.安 全分析结果表明，与L-L-C-Z门限代理签密协议相比，该改进门限代理签密协议能够承受接收方公钥替换攻击.改进的门限代理签密协议利用接收方公钥而不是私钥来验证签密结果，其验证过程能向第三方公开.

The Finite Difference Time Domain Method for Electromagnetics With MATLAB Simulations Atef Elsherbeni and Veysel Demir Chapter 7

对嵌入式实时操作系统斗C／OS一Ⅱ的组成和S3c2410微处理器进行了简单介 绍。在此基础上，详细介绍了将斗C／OS―II移植到S3C24lo微处理器的步骤和方法，指出 了移植过程的关键点和相应的处理办法，并对移植过程的关键部分进行了详细描述。-Embedded real-time operating system doo C/OS Ⅱ one composition and S3C2410 microprocessor had a brief introduction. On this basis, will be described in detail Doo C/OS-II microprocessor S3C24lo transplanted to the steps and methods, pointing out that the transplant process, the key points and the corresponding treatment approaches, and a key part of the transplanting process described in detail.