阴极输出式差频信号放大器
cathode follower type difference amplifier
差动式频率测量
difference frequency measurement
激光差频输出
Laser difference frequency generation
接收机声频输出电平
audio frequency output level of receiver
闭式差动传动机构
closed pattern of transmission mechanism
差动差分放大器
differential difference current conveyor
差动式博码调变
differential pulse code modulation
DPCM
差动式测量仪表
differential measuring instrument