“ultrasonic machining”的概念、定义、翻译、参考文献-科学参考

单词	ultrasonic machining
释义	ultrasonic machining Encyclopedia 工学〔工业与交通电气化〕释 ultrasonic machining超声波加工利用超声振动工具在有磨料的液体介质中或干磨料中产生磨料的冲击、抛磨、液压冲击及由此产生的气蚀作用来去除材料，或给工具、工件沿一定方向施加超声频振动进行振动加工，或利用超声振动使工件相互结合的加工方法。
随便看	second-order constraint qualification second order correlation second order correlation function second-order correlation function second-order curve second order day number second-order derivative second-order design second-order difference second-order differential second-order differential equation second order discrete optimal control law synthesis second order effect second-order efficiency second-order efficient estimator second-order Euler triangle second-order functional calculus second-order language second-order logic second-order memristor second-order model theory second-order necessary condition second-order nonlinear optical effect second-order optimality condition second-order ordinary differential equation

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