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1)  Coefficient of variation of FrequeL
频率变异系数
2)  coefficient of variability of slow wave electrogastric rhythm
胃电慢波频率变异系数
3)  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。
4)  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。
5)  variance coefficient of latewood percentage
晚材率变异系数
1.
The relationship between vibration property and variance coefficient of latewood percentage was analyzed to explore their effects to the P.
选择了8种主要云杉属树种木材,进行了弯曲振动条件下各项声振动特性参数的检测和比较,初步分析了振动特性参数与木材构造中晚材率变异系数之间的关系,探索了晚材率变异系数对乐器用材质量的影响,为深入评价云杉属乐器用材品质奠定了基础。
6)  permeability variation coefficient
渗透率变异系数
1.
The calculation methods of permeability variation coefficient——taking Ningdong Oilflied in Mahuangshan west block as an example
渗透率变异系数的几种计算方法——以麻黄山西区块宁东油田2、3井区为例
2.
The intrastratal,interformational and areal heterogeneity were analyzed in the third member of Funing formation in Chen2 fault block of Chenbao Oilfield by the permeability variation coefficient, rush coefficient and Gini coefficient for realizing the sustained production in the Chen2 fault block and finding more remaining oil.
为了挖掘剩余油,实现陈2断块的稳产,采用渗透率变异系数、突进系数和基尼系数分析了陈2断块阜宁组三段的层内、层间和平面的非均质性。
补充资料:变异系数
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性质:又称相对标准差。是测定标准差与测定平均值之比,以符号V表示。可用它来比较在量纲或数量级上不同的测定数组的相对离散程度的大小。

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