“open-and-closed subset”的概念、定义、翻译、参考文献-科学参考

单词	open-and-closed subset
释义	open-and-closed subset Mathematics open-and-closed subset开闭子集
随便看	sum distribution Sumer Sumerian language Sumeru Mount Caves sumeru platform sum event sum formula sum-free set sum frequency sum frequency generation spectroelectrochemistry sum frequency generation vibrational spectroscopy sum function Sumgait sum graph sum ideal Su Min sum index sum insured SUMIS summability summability factor summability field summability integral summability method summability multipliers

科学参考收录了854744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。