These partial differential equations are all nonlinear harmonic equations.

这两个偏微分方程都是非线性调和方程。

Similar method may be applied in other types of partial differential equations.

类似的方法还可以用在其它类型的偏微分方程数值解中。

The result obtained can be used solve other nonlinear partial differential equations.

这些结果说明，所用方法可用来求解一类非线性偏微分方程。

The use of Partial Differential Equations in image processing is a new research topic.

偏微分方程在图像处理中的应用是一个比较新的课题。

Many of these models can be described properly by nonlinear partial differential equations.

其中很多模型可以用非线性偏微分方程来很好地描述。