短語(yǔ)詞組短語(yǔ)center of normal curvature [數(shù)]法曲率中心center of principal curvature 助率中心principal center of curvature [數(shù)]主曲率中心center of spherical curvature 球曲率中心center of geodestic curvature [測(cè)]測(cè)地曲率中心absolute center of curvature 絕對(duì)曲率中心the local center of curvature 侷部曲率中心 返回 center of curvature