单转子摆式电罗经
single-gyro pendulous gyrocompass
电磁控制电罗经
electromagnetically controlled gyrocompass
电罗经
gyro compass
gyroscopic compass
electric gyrocompass
gyrocompass
Electromagnetic controlled gyrocompass
电罗经方位
gyrocompass bearing {= GB
gyro bearing
Bpgc
电罗经天文导航系统
gyro erectional navigation
电罗经象限误差
intercardinal rolling error
电罗经装设
gyro compass installation
高精度电罗经
high-precision gyrocompass
跟踪-保持器保持漂移电路
hold drift of track-hold circuit
零点电漂移
electric drift of the offset
Electric drift of the bridge offset