certain solution的用法和樣例：
例句
- This paper gives out the analytical solution for the quasilinear system of partial differential equations.
本文給出了這兩個擬線性偏微分方程組的定解問題的一個求解方法及解析解表達式。 - This article used the hydromechanics and the noise theory establishes the traffic flow and traffic noise mathematical model and its solution condition.
本文利用流體力學與噪聲理論建立了交通流和交通噪聲數學模型及其定解條件。
