Most handheld devices have their own standards to deliver data over data channels.
大多数手持设备有它们自己的标准用来在数据通道上传送数据。
For some remote schools, EMT (mobile phone operator) allowed the use of its unused data channels.
对于一些偏远学校来说,EMT(移动手机运营商)允许学校使用其未使用的数据通道。
Achieving low-latency, internet-type data communications requires specially designed packet data channels.
实现低延迟、因特网类型的数据通信需要特别设计分组数据信道。
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