“古代计时器”的概念、定义、翻译、参考文献-科学参考

单词	古代计时器
释义	古代计时器 Encyclopedia 工学﹝古代计时器和天文器械﹞释 ancient timers古代计时器近代机械钟表诞生前利用特定原理来测量时间的计时装置。
随便看	punch through insulated gate bipolar transistor punctate anthoceros punctiform punctiform remainder punctiform topological space punctuality Punctual purchase punctuated equilibrium Punctuated-Equilibrium Model punctuated equilibrium paradigm punctuated-equilibrium theory punctuation punctuation and criticism punctuation marks punctuation symbol punctum puncture puncture counter punctured punctured ball punctured code punctured complex plane punctured disc punctured manifold punctured plane

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。