And a basic understanding of Cartesiangeometry, too.
和一些理解解析几何的知识。
2
You need that. And a basic understanding of Cartesiangeometry, too.
你需要代数，和一些理解解析几何的知识。
3
The Green's function in Cartesiangeometry can be used to replace the complex Green's function in cylindrical geometry when solving the neutron diffusion equation in cylindrical geometry.