method of finite difference的用法和樣例：
例句
- The nonlinear differential equations are solved using finite difference method.
用有限差分法求解非線性微分方程組。 - By the example, it was proved that diffusion of error from single point subdomain integration is more slow than central finit difference.
算例也表明了單點子域積分法具有比中心差分法誤差擴散慢的特點。
