半群代數(shù)semigroup: 半群; 半組semigraphical: 半圖解的semigroup forum: 半群論壇semigraphic panel: 半圖式面板semigroup homomorphism: 半群同態(tài)下載手機(jī)詞典可隨時(shí)隨地查詞查翻譯