1. The main attemper telephone is a special purview telephone and have the function of telephone exchange and office telephone. 主调度话机作为一个特殊权限的编程话机，具有话务总机及办公电话的一切功能。
2. Communication is receiver oriented; therefore, senders should view messages from the receiver's perspective. This perspective helps the sender obtain the desired response from the receiver. 交流要面向接收信息者；所以，发送信息者应该从接收者的角度来考虑自己的信息。这种视角能帮助发送者获得想从接收者处收到的回答。
3. To the trend of replacement of traditional analog receiver with all-digital receiver, an all-digital DS/CDMA receiver has been implemented on a FPGA. 针对全数字接收机正逐步取代传统模拟接收机的发展趋势，在一片FPGA上实现了全数字DS/CDMA接收机的系统设计。
4. Communication transmitter-receiver is one of the important airborne electronics equipments. The sensitivity of receiver is an important test content which reflects the performance of the receiver. 通信电台是重要的机载电子设备之一，对电台进行检测时，接收机灵敏度是反映接收机性能好坏的重要指标；
5. Air tightness test and safety valve adjusting for main air receiver( control air receiver, air horn receiver) on board. 主空气瓶（制空气瓶、笛空气瓶）船后气密试验和安全阀的调整。
