For the other four leaf shapes - spathulate, denta-spathulate, cello-shaped and deltoid - more segments of Bezier curves were necessary for a good fitting.

对于、匙、齿匙、提琴等四种叶来说，其误差较，这些类型的叶片宜以多段的贝氏曲线进行几，以准确地逼近实际的叶片状。