短語(yǔ)詞組短語(yǔ)symbolic expression or symbolic speech 象征性表達(dá)symbolic expression 符號(hào)表達(dá)式Simplifying of symbolic expression 符號(hào)表達(dá)式的化簡(jiǎn)Replacing of symbolic expression 符號(hào)表達(dá)式的替換 返回 expression symbolic