“计时机械”的概念、定义、翻译、参考文献-科学参考

单词	计时机械
释义	计时机械 Encyclopedia 理学机器史释 mechanical clock计时机械泛指以机械装置来报时或计量时间的计时器。主要包括机械化水钟和机械钟表等类型的装置。
随便看	principal fiber bundle principal fiber space principal fibration 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

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。