1071. 天线原理 Principle of Antenna
1072. 铁磁学 Ferromagnetics
1073. 铁电半导体 Ferro-Electric Semiconductor
1074. 铁电材料与器件 Ferro-Electric Material and Element
1075. 铁电压电材料与器件 Ferro-Voltage Electric Material and Element
1076. 铁氧体材料 Ferrite Material
1077. 听说训练 Practice on Listening & Speaking
1078. 通风机 Ventilator
1079. 通信电子线路 Electronic Circuit of Communication
1080. 通信原理 Principle of Communication
