为给定服务数据单元计算的FCS依赖于介质访问控制方法。
The FCS calculated for a given service data unit is dependent on the media access control method.
然后介绍了CAN总线的协议规范，根据其介质访问控制方法，详细地分析了CAN总线上报文延时产生的原因。
And then explains CAN protocol precisely. According to the media access controlling method of CAN protocol, the reason of delay time was discussed.
新的加密方法与其他文件加密方法相比，具有访问控制方便、安全性好的优点，且支持多种存储介质。
The method had the advantages both in access control and security, further more, it supported various storage media.
本文以一种新型的实时以太网介质访问控制协议的仿真为例，介绍总线型协议建模方法，详细描述了OPNET的建模仿真过程。
This paper introduces a method for modeling broadcast protocols in OPNET by illustrating a simulation for a new real-time Ethernet MAC protocol.
本文以一种新型的实时以太网介质访问控制协议的仿真为例，介绍总线型协议建模方法，详细描述了OPNET的建模仿真过程。
This paper introduces a method for modeling broadcast protocols in OPNET by illustrating a simulation for a new real-time Ethernet MAC protocol.
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