“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	left radical left randomly continuous left rank left recursion left recursively enumerable reals left recursive rule left regular element left regularity left regularizer left regular representation left regular ring left regular semigroup left remainder left representation left representation module left representative left representative system left residual left resolution left reversibility left reversible semigroup left Riemann integral left-right axis left right correlation left-right correlation

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