| (subclass DifferentialEquation Equation) | engineering.kif 154-154 | 微分方程 是 方程 的 subclass |
| (subclass FirstOrderDifferentialEquation DifferentialEquation) | engineering.kif 173-173 | 一阶微分方程 是 微分方程 的 subclass |
| (subclass HigherOrderDifferentialEquation DifferentialEquation) | engineering.kif 178-178 | 高阶微分方程 是 微分方程 的 subclass |
| (subclass PartialDifferentialEquation DifferentialEquation) | engineering.kif 184-184 | 偏微分方程 是 微分方程 的 subclass |
| (subclass OrdinaryDifferentialEquation DifferentialEquation) | engineering.kif 188-188 | 常微分方程 是 微分方程 的 subclass |
|
|