A request command is enclosed in the data or message section of the underlying network packet. It requests the contents of registers in the device containing signal data of a device.
底层网络包的数据或消息区域封装了一个请求命令，它请求设备中包含设备信号数据的寄存器的内容。
The optional match section of the iptables command specifies the characteristics that a packet should have to match the rule, such as source and destination address, protocol, etc.
iptables命令的可选match部分指定信息包与规则匹配所应具有的特征（如源和目的地地址、协议等）。
That's also a subject for the next article, so while you're experimenting with Snort, work with the command-line version, the packet sniffer, but hold off on the packet logger for now.
这也是另一篇文章的主题，现在您尝试了使用Snort、使用命令行版本、包嗅探器，但包记录器的更多内容不在此处赘述。
This will cause the stack to look up the destination in its internal binding table based on the command identifier of the packet.
这样，协议栈将会根据数据包的命令标识符，通过自身的绑定表查找到所对应的目标设备地址。
The packet onboard data systems are different from traditional PCM telemetry and command systems in data sources.
分包体制的星载数据系统与传统的PCM遥测遥控系统两者面向的数据源有很大不同。
The packet onboard data systems are different from traditional PCM telemetry and command systems in data sources.
分包体制的星载数据系统与传统的PCM遥测遥控系统两者面向的数据源有很大不同。
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