the ordinary differential equation的用法和樣例：
例句
- His work remains mathematically in the realm of ordinary differential equations.
他的工作在數學上就停留在常微分方程的範圍。 - The sufficient conditions of impulsive exponential stabilization for a kind of nonlinear differential equation are obtained.
具體研究了一類分離變數型非線性常微分方程的脈衝鎮定問題，得到了該方程可脈衝指數鎮定的充分判據。
