propagation time delay

例句：

1. 1.The delay in the transmission of information has caused significant problems.
   信息传播的延迟导致了严重的问题。
2. 2. The team's performance was affected by the propagation time delay in the communication system.
   团队的表现受到了通信系统中传播延迟的影响。
3. 3. In order to improve the efficiency of the propagation time delay, we need to optimize the design of the communication network.
   为了提高传播延迟的效率，我们需要优化通信网络的设计。