Anh
gyro compass
gyro magnetic compass
Đức
Kreiselkompass
Pháp
compas gyroscopique
gyrocompas
compas gyroscopique,gyrocompas /SCIENCE/
[DE] Kreiselkompass; Kreiselkompass
[EN] gyro compass; gyro magnetic compass
[FR] compas gyroscopique; gyrocompas