directed line

 
  • 有向線(xiàn),有向元,定向線(xiàn),有向直線(xiàn)

directed line的用法和樣例:

例句

  1. The course which will cut each meridian at the same angle is termed a rhumb line.
    與每一子午線(xiàn)相交成同一角度的航向叫恒向線(xiàn)。
  2. All planar structures are represented by a strike line and dip angle.
    一切平面構造均可用向線(xiàn)和傾斜角來(lái)表示。
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