?不相容组
... 不相容 incompatible; incompatibility 不相容事件 mutually exclusive event; 水火不相容 incompatible as fire and water; mutually antagonistic; 不相容方程 [数学] incompatible equations 不相容组,不相容群 incompatible group 冰炭不相容 as incompatible or irreconcilable as ice and hot coals ...