“primary standard for ultrasound power”的概念、定义、翻译、参考文献-科学参考

单词	primary standard for ultrasound power
释义	primary standard for ultrasound power Encyclopedia 工学声学计量技术释 primary standard for ultrasound power超声功率基准装置用于复现和保存超声波功率量值的装置。
随便看	fission [product] chain fission product chain fission product chain; fission product decay chain fission product chemistry fission product decay chain fission products fission reaction fission reactor fission reactor chemistry fission reactor material fission recoil fission rocket fission saddle point fission-spectrum neutron fission threshold fission track fission track age fission track anneal fission track constraints on uplift and denudation Fission-Track Dating fission track dating fission track Dpar data fission track geological thermal history modelling fission track length fission track thermochronology

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