He told the chief officer to haul the ship off four points.

他告诉大副改变船的航向偏开四个罗经点.

《简明英汉词典》

He told the chief officer haul the ship off four points.

他告诉大副改变船的航行偏开四个罗经点.

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Calibration constant error and function for gyro - compass on sea trial.

航行试验中电罗经固定误差校正和效用试验.

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OOW shall check the working order of Gyro - compass on the voyage.

值班驾驶员在航行中应检查电罗经的工作正常.

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Magnetic compasses are necessary equipments for all ships.

而磁罗经是大中小船舶的必备设备.

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The drift of DTG is the main error source of platform gyrocompass comprising it.

动力调谐陀螺仪的漂移误差是以其构成的平台罗经系统的主要误差源.

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In this mode, the vessel position is controlled a PME and the heading controlled a gyrocompass.

在这种模式下, PME控制船舶位置,电罗经控制船舶艏向.

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The system receives the vessel's heading from the gyrocompass and the vessel's position from a PME.

DP系统从电罗经得到船舶艏向信号,从PME得到船舶位置信号.

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Having the short time inertial navigation function is the main development trend of modern stabilized gyrocompass.

具备短期惯导功能是当今平台罗经发展的主流.

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There were two guide instruments, magnetic compass and gyro compass , as nautical navigation all along.

一直以来作为船舶导航的指向仪器主要有两种:磁罗经和陀螺罗经.

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The research and development of strap down gyrocompass system based on FOG is of important meaning.

因此研制捷联式光纤陀螺平台罗经系统将具有十分重要的意义.

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