用direction finder造句子，“direction finder”造句

Performance requirements for shipborne radio direction finder

Function test and calibration self-heterodyne curve for direction finder on sea trial.

VHF and UHF direction finder

I am calibrating radio direction finder or adjusting compasses.

direction finder and radiobeacon

a direction finder that gives a bearing by determining the direction of incoming radio signals.

manual direction finder bearing indicator

cathode ray direction finder

automatic direction finder (ADF) reversal