concave point的意思|示意

The name contains the shape: a hoh is a ridge that rises to a point and has a concave end.

这种形状其实已经包含在小镇的名字当中：hoh指的就是这样形状的山脊——一边陡，一边缓，缓那边在最低处成凹状。

The special meshing of convex and concave teeth profile makes the relative radius of curvature of the contacting point longer.

独特的凸凹啮合齿廓，使两齿轮在接触点处的综合曲率半径较大。

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。