frequency shift signalling

例句：

1. 1. The new communication systemuses frequency shift signalling to transmit dataover long distances.
   新的通信系统使用频率偏移信号来在长距离上传输数据。
2. 2. In the field of wireless communications,frequency shift signalling is widely used fordata transmission.
   在无线通信领域，频率偏移信号广泛用于数据传输。
3. 3. The frequency shift signallingtechnique is crucial for maintaining network stability andreliability.
   频率偏移信号技术对于保持网络稳定性和可靠性至关重要。