There are many directive principles in the electronic transaction protocol designing such as security, anonymity, non-repudiation, atomicity, fairness and efficiency.

电子交易协议的设计有安全性、匿名性、非否认性、原子性、公平性与效率等原则，这些原则在协议设计时具有指导作用。

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An elevator car controller based on CAN bus is described. The functions, architecture, hardware and software and the communication protocol designing methods of this controller are introduced.

简述了一种基于CAN总线的电梯轿厢控制器，介绍了该控制器的功能、结构及其软硬件和通信协议的设计方法。

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This study presents the work of designing and implementing the OLSR routing protocol.

本文的工作是研究OLSR路由协议的设计与实现方案。

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