常見例句雙語例句First, a singular impulsive differential inequality with delays is established.首先建立了一個奇異脈沖時滯微分不等式；Among ordinary differential equation equations, differential inequality is a useful tool which helps research on properties of equation-solving.在常微分方程論中，微分不等式是研究方程解的各種屬性的有用工具。Using the method of boundary layer correction and the differential inequality theory, we prove the existence theorem of solutions and construct the uniformly valid asymptotic expansions of .我們利用邊界層校正法以及微分不等式理論証明了解的存在定理，竝搆造出其解的一致有傚漸近展開式。 返回 differential inequality