求翻译：经典解法（包括分离变量法，行波法，幂级数解法等），Fourier变换方法与广义函数（包括基本空间，空间与磨光算子等），理论（包括弱解，格林函数等），古典解性质(包括极值原理、能量估计等)是什么意思？

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Classic-law (including separator variable law, traveling wave law, law-series sum, etc.), Fourier transformation method and broad functions (including basic space, space and polishing is etc.), including socially-theory, Grenada function, etc.), the nature of the Classic (including Extreme theory of

Classical solution (including separation quantity method, traveling wave law, power series solution and so on), Fourier transformation method and distribution (including basic space, space and polish operator and so on), theory (including weak solution, green's function and so on), classical solutio

Classical solution (including the method of separation of variables, travelling-wave method, MPC), Fourier transform method with generalized functions (including basic space, space, and Polish operator), theory (including weak solutions, Green's functions, etc), classical solutions (including the ma

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