“empty set”的概念、定义、翻译、参考文献-科学参考

单词	empty set
释义	empty set Mathematics empty set空集^†
随便看	pyrolytic chemical vapor deposition pyrolytic elimination pyromagnetic pyromagnetic effect pyromagnetism pyromania Pyromax pyromelane pyromellitic dianhydride pyromellitic dianhydride; 1,2,4,5-benzenetetracarboxylic anhydride pyrometallurgy pyrometer pyrometer probe pyrometric cone pyrometry pyrophoricity pyrophosphatase pyrophosphate pyrophosphorylase pyrophyllite pyrophyte pyroptosis pyroradio pyroreaction pyroscope

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。