“resonance frequency tracking of ultrasonic machining”的概念、定义、翻译、参考文献-科学参考

单词	resonance frequency tracking of ultrasonic machining
释义	resonance frequency tracking of ultrasonic machining Encyclopedia 工学超声驱动电源释 resonance frequency tracking of ultrasonic machining超声加工谐振频率跟踪利用反馈技术，实时自动调节超声电源的工作频率，不断地跟随超声换能器的谐振频率，以保持换能器始终工作在最佳状态的技术手段。
随便看	central factor central factorial central fiber central field central field approximation central-field approximation central field model central-field model central figure Central Film Service Central Film Studio Central Five and Seven Arts Academy central flow surface central force central force field central-force field central fringe central function Central General de Trabajadores central glial cells central government funds for poverty alleviation central government schooling in Chinese ancient society central green space of housing cluster Central Guizhou urban agglomeration Central Health Laboratory Office

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