permissible substitution的用法和樣例：
例句
- The elasticity of substitution is a useful concept in several areas of economics.
置換彈性在若干經(jīng)濟學(xué)領(lǐng)域內是一個(gè)有用的概念。 - Based on the substitution theorem, this paper proposes a newpractical fault diagnosis method ior analog circuits.
基于網(wǎng)絡(luò )分析中的置換定理，本文提出一種適用于容差情況下，非線(xiàn)性電路的實(shí)用性自動(dòng)故障診斷新方法。
