1) variation frequency
变异频率
1.
Objective To explore the variation frequency and base composition characterization of mitochondrial DNA (mtDNA) control region in human beings.
核酸位点 16 189、30 3～ 315、5 14～ 5 2 3是变异频率较高 ,且具有基因长度不稳定的区域。
2) Coefficient of variation of FrequeL
频率变异系数
3) coefficient of variability of slow wave electrogastric rhythm
胃电慢波频率变异系数
4) variance coefficients of instantaneous frequency of Hilbert spectra
Hilbert谱瞬时频率变异系数
1.
The non-stationary characteristic of frequency content of near-fault ground motions is remarkable,and the variance coefficients of instantaneous frequency of Hilbert spectra can reflect well the non-stationary property and degree of ground motions.
近断层地震动的频率非平稳特征显著,Hilbert谱瞬时频率变异系数良好地反映了地震动的频率非平稳性质和程度。
5) rate of frequency change
频率变率
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