常見例句雙語例句Studies existence and uniqueness of solutions for third-order boundary-value problems by upper and lower solutions method.本文利用上下解方法研究了三階邊值問題解的存在性和唯一性。Introduces the magnetic scalar potential method solving boundary-value problems of magnetic field generated by steady electric current is introduced.介紹了用磁標勢求解穩(wěn)恒電流磁場邊值問題方法、步驟。Using the boundary-value problem of holomorphic function and method of mathematical physics, we obtained the expression of solution for above mentioned problem.利用全純函數(shù)的邊值問題與數(shù)學(xué)物理方法，得到了此類邊值問題的解的表示式。 返回 boundary-value method