“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	law of negating a disjunction law of negating an equivalence law of negating an implication law of neutrality law of parity conservation law of partial pressure law of partial volume law of partial volume of mixed perfect gas law of personality law of planetary distances law of planned and proportional development of national economy law of planned proportional development law of prize law of probability law of probability distribution law of propagation of errors law of proportional part law of public opinion law of quadratic reciprocity law of radioactive decay law of rare events law of rational indice law of rational indices law of reaction law of reciprocity

科学参考收录了854744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。