相對(duì)開(kāi)集relatively: adv. 1.關(guān)系上；相對(duì)；相互。 2.比較上；按…比例 ...open: adj. 1.開(kāi)著的，開(kāi)放的；可進(jìn)入的，可分享的 (to ...set: vt. (set; setting) 1.放；擱；貼；靠 ...relatively open set: 相對(duì)開(kāi)集relatively closed set: 相對(duì)閉集下載手機(jī)詞典可隨時(shí)隨地查詞查翻譯
