“standard ultrasonic power source”的概念、定义、翻译、参考文献-科学参考

单词	standard ultrasonic power source
释义	standard ultrasonic power source Encyclopedia 工学水声计量释 standard ultrasonic power source标准超声源一种稳定的、已知输出超声功率的单频超声功率源。一般由信号发生器、功率放大器、射频数字电压表与标准超声换能器组成。又称标准超声功率源。
随便看	divergence form divergence-free divergenceless field divergence of an integral divergence of a series divergence of a tensor field divergence of a vector field divergence of character divergence of discontinuity divergence test divergence theorem divergency divergent divergent adaptation divergent beam transform divergent boundaries divergent determinant divergent double series divergent evolution divergent improper integral divergent integral divergent iteration divergent lens divergent line divergent meniscus lens

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