Any data structure representing a set of ordered elements that can support the insertion and deletion of elements as well as the set operation of union and the calculation of the minimum elements in a set. See also operations on sets.
科学参考收录了60776条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。