基本解釋[數(shù)學]凸閉包英漢例句雙語例句The paper is concerned with two aspects:A necessary and sufficient condition for convex hull of a set in E2 being closed;本論文以凸體為研究對象，主要涉及兩個方面的內(nèi)容：平面凸集的凸包為閉集的充分必要條件；convex closed hull更多例句詞組短語短語closed convex hull [數(shù)]閉凸包closed convex cones hull 閉凸錐包convex closed hull更多詞組專業(yè)釋義數(shù)學凸閉包