如果你尝试在其中特定z值平面内用一个2维测头测量一个3d立体圆锥体。那么探针直径将会影响精度。

If you're trying to check a 3d cone as a 2d dia at a certain Z level then, yes probe diameter will affect accuracy.

youdao

本文基于光学三角法测量原理，设计了一种通过改变光平面与成像光轴夹角来实现对视场内被测零件表面扫描的视觉测头。

A novel noncontact scanner that scans the inspected part's surfaces by changing the Angle between laser plane and optical axis is designed based on optical triangulation.

youdao

头影测量分析显示上颌前部得到有效向前、向下移动；腭平面延长。

Results: Cephalometric analysis revealed that the premaxilla was moved forward and downward and the length of palatal plane increased.

youdao