underwater sound telephone 水下声能电话 propagation of underwater sound水声传播 underwater sound communication system 水声通信系统 ..
双语例句
1
The proper soundpropagation model is the basis of transfer function prediction of underwater acoustical channel.
合适的水声传播模型是水下声信道传递函数预报的基础。
2
Because of the coupling between surface channel and SOFAR channel, soundpropagation in two, axis underwater channel is complex and calculation of acoustic fields is difficult.