| (subclass MathematicalMethod Method) | engineering.kif 1165-1165 | 子類 數學方法 and 方法 |
| (subclass FourierAnalysis MathematicalMethod) | engineering.kif 1170-1170 | 子類 傅立葉分析 and 數學方法 |
| (subclass FourierSynthesis MathematicalMethod) | engineering.kif 1175-1175 | 子類 傅立葉合成 and 數學方法 |
| (subclass Discretization MathematicalMethod) | engineering.kif 1181-1181 | 子類 離散 and 數學方法 |
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