短語詞組短語mathematical function operator 數(shù)學函數(shù)運算子;數(shù)學函數(shù)運算符英語;數(shù)學函數(shù)運算符Supplemental Mathematical Operator 追加數(shù)學運算符mathematical morphology open operator 數(shù)學形態(tài)學開運算 返回 mathematical operator