短語詞組短語expression n evaluator 表達(dá)式計(jì)算器Numeric Expression Evaluator 數(shù)字表達(dá)式求值;注;數(shù)字表白式求值Regular Expression Evaluator 正則表達(dá)式計(jì)算器expr - Choose Expression Evaluator 控制表達(dá)式評(píng)估器的 返回 expression evaluator