The communications channels could be low-bandwidth and relatively unreliable.

通信通道可能是低带宽并且相对不可靠。

Then give an example of one with low bandwidth and low latency.

然后再给出另一个网络的例子,它具有低的带宽和低的延迟.

The delay in starting the application may be unacceptably long over low-bandwidth connections.

在低带宽连接上启动应用程序时的长时间延迟可能令人无法接受。