双平衡调变器
double balanced modulator
可调平衡器
adjustable counter balance
可调式平衡重
adjustable weight counterbalance
平衡桥式振荡器
balanced bridge oscillator
平衡式变频器
balanced frequency converter
平衡式调频鉴频器
balanced FM discriminator
桥式平衡放大器
bridge balanced amplifier
双检测器平衡式光接收机
dual-detector balanced optical receiver
遥测用力平衡式变换器
telemetering force balance type converter