“空集”的概念、定义、翻译、参考文献-科学参考

科学参考收录了1248194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。

单词	空集
释义	空集 empty set null set
随便看	interval dividing technique intervaled scale interval error interval estimate interval estimation interval forecast interval function interval halving interval integral interval linear programming intervallum interval mapping interval method interval migration interval mode interval number interval of convergence interval of grouping interval of premature beats interval of rest interval of service interval of uncertainty intervalometer interval overlapping one another interval polling timer