“四能级系统”的概念、定义、翻译、参考文献-科学参考

单词	四能级系统
释义	四能级系统 four-level system
随便看	elevation selsyn drive gear elevation selsyn transformer elevation servo power amplifier elevation setting elevation stop elevation stowing switch elevation synchro gear elevation system elevation table elevation tints elevation tracker elevation tracking elevation tracking cursor elevation view elevation yoke elevation zero elevator elevator actuating cylinder elevator angle elevator apartment elevator balance elevator bank elevator bar elevator belt elevator bolt

科学参考收录了1248194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。