1·The familiar semantics for first-order logic is extensional in that it is involved in individual objects rather than in any property entities.
熟知的一阶逻辑语义因为只论及个体对象而不涉及属性实体而被认为是外延的。
2·By assuming a simple cubic arrangement of the aggregates, the small strain behavior of the junction rubber is analyzed in extensional mode.
假定聚集体为简单的立方体排列,以外延方式分析连接橡胶的小应变行为。