这是由于在分组交换数据网络中传输语音时发生了数据包丢失。
This is usually the result of packet loss when transmitting voice over a packet-switched data network.
变电站间隔层的保护测控单元可以通过网络交换信息和数据，因而CAN总线网构成了高效率信息、数据网络。
With high efficiency of CANbus network, the protection & monitor units of substation bays can exchange information through the network quickly to achieve data sharing in substation automation systems.
联机计费采集是采集机采用相关的文件传输协议，通过数据网络自动从交换机上采集计费文件的一种采集方式。
Collecting bill files online means that the equipment USES a kind of file transfer protocol to collect bill files from an exchange through a data network automatically.
联机计费采集是采集机采用相关的文件传输协议，通过数据网络自动从交换机上采集计费文件的一种采集方式。
Collecting bill files online means that the equipment USES a kind of file transfer protocol to collect bill files from an exchange through a data network automatically.
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