孔半径：在最亮的像素附近的范围(自动检测的目标近似中心)。
Aperture radius: the radius of the synthetic aperture around the brightest pixel (the approximate center of each detection).
讨论超高精度要求的球面曲率半径、透镜中心厚度、球面面形与透镜偏心差等各项指标的综合控制技术与检测方法。
The overall control and test technology for spherical radius of curvature, central thickness, surface accuracy anddecentring error of lenses have been discussed.
通过研究刀具刃口半径与刀具切断纤维的力之间的关系，提出了一种检测加工刀具锋利性能的方法。
By researching relation between cutting edge radius and force to cut synthetic fiber it develops a technique for measuring the sharpness of tools.
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