“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	preflying experience prefocusing preformation theory preformed billet prefractal prefractionator preframe prefrontal cortex pre-galactic cloud pre-galactic nucleosynthesis pre-galactic star pre-Galaxy pre-galaxy preganglionic neurofibre preganglionic neuron pregelatinized starch pre-geometry pregermlayer stage P-region preglabellar field pre-glottalization pregnancy pregnancy anabolism pregnancy-associated thrombocytopenia pregnancy diagnosis

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。