transmittern.传播者；发射机；发射台；送话器transmitter framework发射机机架transmitter modulator发射机调制器transmitter amplifier微音器放大器transmitter substance传递物质,传导物质,传递质,介质transmitter distortion发信失真transmitter site error发射机方位误差transmitter start code发信起动码,发送开始码transmitter controller发射机控制transmitter modulation发射机调制transmitter amino acid递质性氨基酸