英语词汇“pre-order”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	pre-order
释义	pre-order pre-order (graph theory)traversal. pre-order (theory)A relation R is a pre-order if it is reflexive(x R x) and transitive (x R y R z => x R z). If it is alsoantisymmetric (x R y R x => x = y) then it is a partial ordering.
随便看	rolland roll and attitude control system roll-and-fillet molding rolland romain rolland, romain rolland virtual business systems ltd roll angle sensor roll angle system roll around roll a set roll a set of (finger)prints roll a set of fingerprints roll a set of prints roll aspect system roll a stop down roll a stop up roll away rollaway rollaways roll axis roll axis tracking system roll back roll-back rollback rollbacked

英语词典包含2567994条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。