1) hairy root frequency
发根频率
2) Rooting rate
发根率
3) root-mean-square frequency
方均根频率
1.
<Abstrcat>From molecular beam s speed distribution function,molecular beam s frequency distribution function is deduced,and calculates mean frequency,root-mean-square frequency and most possible frequency are calculated,and compared with corresponding characteristic quantities of speed distribution function one by one,and their physical significance are explaned.
从分子束的速率分布函数出发,推导了分子束的频率分布函数,求出平均频率、方均根频率和最概然频率,并与分子束的速率分布函数相应的特征物理量逐一比较,说明它们的物理意义,得出了用分子束的频率分布函数解决分子束问题更为简便的结论。
4) FCCR
闭环根频率
1.
The relationship between these requirements and the naturalfrequency of the close-loop characteristic roots(FCCR)is analyzed in the paper.
针对标准对并网电流谐波畸变率、功率因数以及对参考电流跟踪误差的要求，本文推导了这些指标与闭环根频率f_n(闭环特征根的固有频率)的关系，由此提出了以闭环根频率f_n为控制系统设计的唯一量化指标的研究方法。
6) bus frequency
发车频率
1.
This paper presents a mathematical depicture of the relationships between bus frequency,signal cycle,and number of arrival-time-point.
首先建立了发车频率、信号周期与不同落点数目的关系模型,并分析了不同落点数目对信号优先控制效果的影响。
补充资料：频率计量(见时间频率计量)
频率计量(见时间频率计量)
frequency metrology: see time and frequency metrology
口n IQ liliang顷率频率计皿(f比quency metrolo盯) 计t。见时闰
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条