principal optic axis

英 美
  • 主光轴
  • axis n.轴;中枢
  • optic adj.视觉的;光学的
  • principal adj.主要的;首要的n.本金;资本;校长;主角;委托人;主犯
    1. Light that passes focus is refracted to be parallel to the main optical axis.
      通过焦点的光线折射后平行于主光轴。
    2. Luminaire designed to be suspended from a cable with its main beam axis at right angles to the axis of the road.
      利用电缆进行悬挂的灯具,其主光轴与道路主轴成直角。