 |
| Chinese | English |
| 双垂曲线 | catenary curve |
| 双垂曲线 | catenary |
| 垂直射线 | vertical rays |
| 垂直线 | plumb |
| 垂直线 | plummet |
| 垂直线 | vertical (verticalis) |
| 垂直线 | perpendicular (perpendicularis) |
| 垂直轴线 | normal axis |
| 垂线曲率 | curvature of the plumb line |
| 相片垂线指摄影机主光轴 | photograph perpendicular |
|
| Chinese | English |
| 双垂曲线 | catenary curve |
| 双垂曲线 | catenary |
| 垂直射线 | vertical rays |
| 垂直线 | plumb |
| 垂直线 | plummet |
| 垂直线 | vertical (verticalis) |
| 垂直线 | perpendicular (perpendicularis) |
| 垂直轴线 | normal axis |
| 垂线曲率 | curvature of the plumb line |
| 相片垂线指摄影机主光轴 | photograph perpendicular |