“retract”的概念、定义、翻译、参考文献-科学参考

单词	retract
释义	retract Mathematics ＞拓扑学与几何学＞代数拓扑学＞释义 retract收缩核 retract收缩核^†
随便看	cationic surfactant cationictitration cationite cation, kation cationoid cationotropic cationotropic rearrangement cationotropy cation permselective membrane cation pi interaction cation-pi interaction cation surfactant cationtropic rearrangement cation π interaction cation-π interaction catkin catkin yew Catlin cat map cat map of Arnosov cat mapping catnip Cato, A Tragedy catopter catoptric

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。