Hilbert谱瞬时频率变异系数  variance coefficients of instantaneous frequency o

基因型渐变群变异频率  ratio of cline

频率变异  frequency departure

基因变异数频率  variance of gene frequency

心率变异率  heart rate variability

频率频率开关  Frequency

GPA基因突变频率  GPA gene mutation frequency

变频变速  variable speed operation with VFD

变频变压  variable voltage variable frequency; frequency converted and transformation; Drives; inverter and variable-pressure; frequency conversion; Clinical benefit response CBR

变频变压调速技术  variable-frequence voltage technique

变频变压器  variable frequency transformer

变频率采样  Alterable frequency sampling

变频率电流  fluctuant frequency current

变频率法  Frequency varying method

变频异步电动机  frequency-variable asynchronous motor; Variable-frequency induction motor; induction motors fed by inverters; variable frequency asynchronous motor

变异率  mutation rate; variant ratio; ratio of variation; variant peak ratio; coefficient of variation; variance coefficient; mutation probability

不变频率  constant frequency

参量频率变换器  parametric frequency converter

超高频变频器  UHF converter; ultra-high frequency converter