magnetic needle compass磁针罗盘
magnetic c compass磁罗盘
bar magnetic compass磁杆罗盘
gyro magnetic compass陀螺磁罗盘
magnetic compass pilot磁罗经导航;磁罗经自动舵;磁罗经驾驶仪;磁罗盘驾驶器
magnetic compass table自差表;磁罗经自差表;磁罗盘偏差表
magnetic compass course磁罗经航向
compensation of magnetic compass磁罗盘补正
Magnetic Compass Digital Interface磁罗经数字接口
Based on the gyrocompass technique, the magnetic compass deviation automatic measurement and correction system synthesizes both gyrocompass and magnetic compass technique.
基于电罗经技术的磁罗经自差自动测定和校正系统是一个综合了电罗经和磁罗经技术的自差测定和校正系统。
参考来源 - ITS载体磁航向测试技术研究N（名词） a compass containing a magnetic needle pivoted in a horizontal plane, that indicates the direction of magnetic north at points on the earth's surface 磁针罗盘; 在地球表面指明磁极的北部之方位