短語詞組短語isoparametric singular strain element 等蓡數(shù)奇應變單元singular crack element 奇異單元collapsed singular isoparametric element 奇異等蓡單元singular stress element 奇異元singular line element 奇異線素Isoparametric singular finite element 等蓡奇異退化單元singular boundary element 奇異單元singular integral element 奇異積分元素singular isoparametric element 奇異等蓡元 返回 singular element