例句與造句

1. Each convex plane curve has a centre of mass.
2. These, for planes sufficiently close to the tangent plane, intersect the surface to make convex plane curves.
3. The point of the plane is to get a piece of wood flat, and a convex plane sole isn't going to do that.
4. In geometry, the "'lune of Hippocrates "', named after Hippocrates of Chios, is a convex plane region bounded by one 180-degree circular arc and one 90-degree circular arc.
5. But their positioning also invites one to compare the variously concave or convex planes of their oval faces, the intensity of their eyes, the dancing energy of their abstracted lozenge-shaped bodies.
6. It's difficult to find convex plane in a sentence. 用convex plane造句挺難的
7. More generally, for an arbitrary closed curve in space the average curvature is \ ge \ frac { 2 \ pi } { P } with equality holding only for convex plane curves.