这些不同的队列基于分组类型定义分组优先级，以给予某些类型的分组以比其他类型的分组高的传输优先级。
The different queues define packet priorities base on packet type, in order to give transmission priority to certain types of packets over other types of packets.
用于高优先级消息，如果消息在传输过程中丢失，那么必须重新发送该消息。
It is used for higher priority messages, and if a message is lost in transit, it must be resent.
介绍在CAN现场总线控制网络中保证优先级较低站点数据传输实时性的有效方法。
This paper introduces that a real time transmission of some low priority stations can be guaranteed in CAN field bus control network.
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