摘要磁罗经是船舶装备的主要指向性航海仪器之一，磁罗经自差的大小将直接影响船舶的航行安全。

Magnetic compass is one of directional navigation instrument in ship fitting, the deviation of magnetic compass will influence the navigational safety of ship.

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电罗经作为船舶航行重要的仪器之一，要求其复示器能实时、准确地反应船舶航向。

The gyro-compass is one of most important instruments in the ships navigation, its repeater must be able real-time, accurately to respond the ships direction.

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他告诉大副改变船的航行偏开四个罗经点。

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

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