Palmer T S. Discretizing the diffusion equation on unstructured polygonal meshes in two dimensions, Annals of Nuclear Energy, 28(2001) 1851-1880.是什么意思_Palmer T S. Discretizing the diffusion equation on unstructured polygonal meshes in two dimensions, Annals of Nuclear Energy, 28(2001) 1851-1880.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句