This blade has a gentle, sloping convex curve to the point versus the concave curve of the clip blade.
相对于回形刀刃的凹曲线而言，这种刀刃具有一条延伸到刀尖的、温和的凸斜率曲线。
A molding for a cornice, having a partly concave and partly convex curve in profile, used especially in classical architecture.
反曲线饰纵断面部分为凹线，部分为凸形的檐口的线脚，尤用在古典建筑中。
Linear error curve can be concave curve, it could be a convex curve.
线性误差曲线可以是凹形曲线，也可以是凸形曲线。
Linear error curve can be concave curve, it could be a convex curve.
线性误差曲线可以是凹形曲线，也可以是凸形曲线。
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