氟利昂 freon
频率电桥 frequency bridge
频率比较 frequency comparison
频率控制 frequency control
频率校正 frequency correction
频率检波 frequency detection
倍频 frequency doubling
频率轨迹 frequency locus
环路频率转移函数 frequency loop transfer function
档振荡 frequency modulated oscillations
频率监控器 frequency monitor
起动频率 frequency of starting
频率电桥 frequency bridge
频率比较 frequency comparison
频率控制 frequency control
频率校正 frequency correction
频率检波 frequency detection
倍频 frequency doubling
频率轨迹 frequency locus
环路频率转移函数 frequency loop transfer function
档振荡 frequency modulated oscillations
频率监控器 frequency monitor
起动频率 frequency of starting
频率第器 frequency regulator
频率继电器 frequency relay
频率特性分析器 frequency response analyzer
频率响应校正 frequency response correction
频率特性法 frequency response method
频谱仪 frequency spectrograph
频率稳定器 frequency stabilizer
频率系统 frequency system
频率传递函数 frequency transfer function
变频器频率变换器 frequency transformer
频率变动 frequency variation
频率矢量轨迹 frequency vector locus
摩擦联轴节 friction coupling
摩擦传动装置 friction gear
摩擦损失 friction loss
蛙腿式绕组 frog leg winding
前面接线 front connection
前节距 front pitch
正面布线 front wiring
磨砂灯泡 frosted lamp
去光泽 frosting
燃料装配 fuel assembly
燃料增殖循环 fuel breeding cycle
燃料包壳 fuel canning
燃料装填口 fuel channel
装料机 fuel charging machine
燃料消耗 fuel consumption
燃料消耗量表 fuel cousumption meter
耗热率 fuel economy
燃料元件 fuel element