concatenation operator字符串串連運(yùn)算子: string concatenation operator運(yùn)算符: operational character; operational symbol(s); operators; or按模運(yùn)算符: modulo operator比較運(yùn)算符: comparison operator并置運(yùn)算符: concatenation operator下載手機(jī)詞典可隨時(shí)隨地查詞查翻譯