短語詞組短語semi -discrete finite element method 半離散有限元方法D Discrete Element Method 二維離散元法2D Discrete Element Method 二維離散元法discrete element method model 離散元模型cluster discrete element method 顆粒團(tuán)離散單元方法dem discrete element method 離散單元法discrete element method dem 離散單元法Discrete element method simulation 離散元模擬the discrete element method 離散元方法對(duì) 返回 discrete element method