Principle Radius of Curvature
... Meridian radius of curvature 子午线曲率半径 Principle Radius of Curvature 曲率主半径 Probook radius of curvature 齿廓曲率半径 ...
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短语
主曲率半径
[数]
principal radius of curvature
;
[数]
radius of principal curvature
;
principal curvature radius