shape index

例句：

1. 1.The shape index of the new car is significantly higher than that of the old one.
   这款新车的形状指数明显高于旧款。
2. 2. The shape index of the data set is calculated using a specific formula.
   数据集中的形状指数是通过特定公式计算得出的。
3. 3. The shape index of the object is affected by its size and shape.
   物体的形状指数受到其大小和形状的影响。