The elasticity of substitution is a useful concept in several areas of economics. 置換彈性在若干經濟學領域內是一個有用的概念。
Based on the substitution theorem, this paper proposes a newpractical fault diagnosis method ior analog circuits. 基於網路分析中的置換定理,本文提出一種適用於容差情況下,非線性電路的實用性自動故障診斷新方法。