second- order differential equations的用法和樣例：
例句
- This paper studies the existence of monotone positive solutions to a type of three point boundary value problems of nonlinear second-order differential equations.
摘要利用范數形式的錐上不動點定理，研究了一類二階微分方程三點邊值問題單調正解的存在性。 - The secondorder differential diagram of RCG is analyged and the corresponding skipsearch algorithm is presented.
對心阻抗二階微分圖剖析並提出相應的跳躍搜索演算法。
