“pressure and vacuum metrology”的概念、定义、翻译、参考文献-科学参考

单词	pressure and vacuum metrology
释义	pressure and vacuum metrology Encyclopedia 工学压力真空计量释 pressure and vacuum metrology压力真空计量关于压力真空测量及其应用的学科，是在压力真空领域内研究计量单位统一和量值准确可靠的力学计量分支。研究内容包括压力、真空和漏率测量的标准装置，以及相应的量值传递技术。
随便看	frequency and duration method frequency approach frequency attribute frequency band frequency bandwidth constraint frequency bridge frequency calibration frequency capture frequency centre frequency characteristic frequency characteristic of sound pressure frequency chart frequency chirp frequency coding frequency collapse frequency comparision frequency compensation frequency conversion frequency conversion circuit frequency conversion technique frequency conversion transformation of fan and water pump frequency converter frequency counter frequency criterion frequency curve

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