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lubber line

/ˈlʌbər laɪn/

翻译: 罗经基线,也称方位线或艏线,是罗经盘面或罗经壳体上的一条基准线,与船体纵轴对齐,用于读取船舶相对于磁北的航向。

1 个条目

phrase

/ˈlʌbər laɪn/C1formaltechnical
  • zh罗经基线,也称方位线或艏线,是罗经盘面或罗经壳体上的一条基准线,与船体纵轴对齐,用于读取船舶相对于磁北的航向。

A reference line inside a compass or compass housing, fixed in alignment with the vessel's fore-aft axis, used to read the ship's heading relative to magnetic north.

  1. Compass reference lineC2formal

    A fixed line on a compass or compass card that indicates the direction of the ship's bow, used for steering.

    zh航向线

    • The helmsman aligned the compass with the lubber line to maintain course.
    • The lubber line on the compass must be parallel to the keel of the ship.
    • He checked the lubber line to ensure the vessel was heading due north.