“Boyars”的概念、定义、翻译、参考文献-科学参考

单词	Boyars
释义	Boyars Encyclopedia 历史学俄罗斯历史释 Boyars领主贵族（波雅尔）中世纪俄国社会的上层分子。
随便看	reaction centre reaction chain reaction channel reaction chromatography reaction classes reaction coefficient reaction coil reaction control system reaction coordinate reaction coordinates reaction, counteraction reaction cross section reaction cross-section reaction degree reaction diffusion equation reaction-diffusion equation reaction diffusion system reaction during qigong practice reaction energy reaction enthalpy reaction factor of fluid machinery reaction field reaction force reaction force of constraint reaction gas ion

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。