基本概念basic: Basic = Basic English. concept: n. 1.【哲学】概念。 2.观念,思想,意思,心意。 ...basic concepts in set theory: 集合论基本概念basic concepts of geometric tolerancing: 几何公差的基本概念basic concepts of mathematics and logic: 数学与逻辑基本概念下载手机词典可随时随地查词查翻译