central difference的用法和樣例：
例句
- 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。 - The pulsating flow field was simulated by the large eddy turbulence model and the momentum equations were discretized with the unbounded central difference scheme.
脈動流場計算採用大渦模擬湍流模型，動量方程的離散格式採用有限中心差分格式。
