“过戳表头”的概念、定义、翻译、参考文献-科学参考

单词	过戳表头
释义	过戳表头 Encyclopedia 工学邮资机释 stamp head过戳表头机械式邮资机的关键核心部件。
随便看	principal filter principal focus principal for facet sequence principal form principal formula principal fractional ideal principal fractionary ideal principal function principal function classes principal functor principal fundamental solution principal G bundle principal G-bundle principal genus principal G-object principal graduate principal graph principal group principal groupoid principal homogeneous G-set principal homogeneous space principal homomorphism principal horizontal line of photograph principal ideal principal ideal domain

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。