短語詞組短語nonlinear dirichlet s problem 非線性dirichlet問題dirichlet s problem 狄利尅萊問題Dirichlet eigenvalue problem Dirichlet 特征值問題dirichlet divisor problem dirichlet 除數(shù)問題Dirichlet boundary problem Dirichlet 邊值問題nonlinear elliptic dirichlet problem 非線性橢圓dirichlet問題The exterior Dirichlet problem Dirichlet 外問題stochastic dirichlet problem 隨機(jī)dirichlet問題 返回 Dirichlet problem