Fundamentals of metrology - part 2 : terminology related to measuring equipment 计量学基础.第2部分:测量设备相关术语
If topic # 1 is not presented , this proposed seminar could include a brief overview of the fundamentals of time and frequency metrology and standards as in # 1 , before focusing in more depth on practical metrology 如果上一专题未宣讲,应先做一个时间频率计量学基础的简要介绍,然后才可以着眼与深入的实践计量学。