principal optic axis
英
美
- 主光轴
双语例句
- 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。 - 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。
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