“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	improperly posed problem improperly primitive form improper mapping improper maximum improper minimum improper motion improper movement improper multiple integral improper node improper notation improper number improper orthogonal mapping improper orthogonal matrix improper orthogonal transformation improper partial graph improper plane improper point improper principal ordinal improper prior improper quadric improper quotient object improper rational function improper refinement improper representation improper rotation

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。