“obstruction”的概念、定义、翻译、参考文献-科学参考

单词	obstruction
释义	obstruction Physics obstruction①障碍，阻塞 ②遮断，遮蔽 Mathematics obstruction阻碍^†
随便看	operator endomorphism operator equation operator ergodic theorem operator extension problem operator function operator gene operator grammar operator group operator homomorphism operator ideal operator identity operator index operator inequality operator-irreducible representation operator-isomorphic operator isomorphism operator isomorphy operator loop operator mean operator method operator module operator monotone operator norm operator object operator of best approximation

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。