Therefore, there needs to be a compression taking place to compact the voice data into a considerable size before it gets transmitted over a packet switching network.
我们必需有发生，以紧凑的声音压缩成一个具有相当规模的数据，然后吃了分组交换传输网络。
And through Railway Packet Switching Network the data can access the Railway Branch Locomotive Depots.
再利用铁路分组交换网完成机车运行数据到机务段的实时传输。
And through Railway Packet Switching Network the data can access the Railway Branch Locomotive Depots.
再利用铁路分组交换网完成机车运行数据到机务段的实时传输。
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