Ellis-van Creveld line

例句：

1. 1. The Ellis-Van Creveld line is a mathematical model that describes the behavior of certain materials under specific conditions.
   埃利斯-范克里夫线是一种数学模型，用于描述某些材料在特定条件下的行为。
2. 2. The Ellis-Van Creveld line has been used to study the properties of materials such as metals and plastics.
   埃利斯-范克里夫线被用来研究金属和塑料等材料的性质。
3. 3. The Ellis-Van Creveld line is often used in engineering calculations to determine the optimal position for a structure.
   埃利斯-范克里夫线常用于工程设计计算中，以确定结构的最佳位置。