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coefficient of variability中文是什么意思

  • 變異系數(shù)
  • 變異性系數(shù)
  • 可變性系數(shù)
  • 離散系數(shù)

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  • 例句與用法
  • The adaptability of the national sugarbeet variety test in 2002 was analyzed through statistical parameter of variance and coefficient of variability from variety locus of test data
    摘要通過對2002年國家甜菜品種區(qū)城試驗結(jié)果的統(tǒng)計分析,求得各參試品種的適應(yīng)性統(tǒng)計參數(shù)品種地點互作方差估計值和變異系數(shù),據(jù)此對參試品種進行適應(yīng)性分析。
  • The studies of in - layer heterogeneity are as follows : the text depicts the characteristics of heterogeneity by calculating the coefficient of variability , kmax / k and k . max / k . min of sand layers of different sedimentous microfacies ; divides interlayer into two types , and counts their numbers , thickness , frequency and density of a single sand layer according to the characteristics of lithology and logging , finally summarizes the characteristics of interlayer distributing ; sets up five in - layer heterogeneity models and points out that the primary models are model a and c . the studies of between - layer heterogeneity are as follows : the text depicts sand layers " growth and distributing conditions by calculating the lamination factor , sandstone density and overlap coefficient ; makes certain the lithology and thickness of interlayer by the method of contrasting the typical curves
    層內(nèi)非均質(zhì)性研究,通過計算不同沉積微相砂體滲透率的變異系數(shù)、突進系數(shù)以及級差來說明主要儲集微相的非均質(zhì)特征;據(jù)巖性及電性特征,將層內(nèi)夾層分為兩類,統(tǒng)計單砂層段內(nèi)夾層的個數(shù)、累積夾層厚度、夾層頻率及夾層密度,并且根據(jù)夾層頻率及密度平面分布圖統(tǒng)計出每層的頻率相對高值區(qū)和低值區(qū),總結(jié)夾層分布特征;根據(jù)物性參數(shù)隨深度的變化趨勢建立了五種儲層層內(nèi)物性非均質(zhì)模式,指出研究區(qū)內(nèi)以a型和c型模式為主。
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