finite difference

finite difference approximation

[计] 有限差分逼近

finite difference expression

[计] 有限差分表示式

finite difference method

[计] 有限差分法
[化] 有限差分法

finite difference operator

[计] 有限差分格式

finite difference scheme

[计] 有限差分算子

finite difference solution

[计] 有限差分解

finite difference theory

[计] 有限差分理论