由悬挂式二自由度陀螺罗盘仪和经纬仪组合而成的陀螺经纬仪，是工程测量领域中用以确定子午线方位的主要仪器。
The gyro-theodolite , which is composed of a suspended two-degree-of-freedom gyrocompass and a theodolite, is the main instrument in the engineering measurement for meridian determination.
考虑到永磁轴承约束为弹性约束，永磁轴承约束的悬挂式单自由度陀螺罗盘实质为永磁轴承约束的悬挂式二自由度陀螺罗盘。
Because the restraint of PMB (permanent magnetic bearings) is the elastic restraint, suspended SDOF gyrocompass restrained by PMB, in fact, is not SDOF gyrocompass, but two DOFS gyrocompass.
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