在这三个生长季节中，土壤呼吸速率的空间变异性系数分别为36%、47%和35%。
In growing season, the coefficient of variation (CV) in spatial change were 36%, 47% and 35%, respectively.
经典统计学方法分析表明，在小流域尺度下土壤可蚀性K值存在很强的空间变异性，其变异系数达39.94%。
Classical statistical analyses show significant spatial variability of soil erodibility K values at a scale of small watershed, the variance coefficient of which is 39.94%.
渗透系数的空间变异性使得隧道开挖后围岩应力有明显的非连续性，对裂隙介质的耦合过程起着重要作用。
The spatial variability in permeability plays an important role in the coupled hydro-mechanical processes of the fractured rock mass and induces a discontinuous distribution of principal stresses.
主要观察指标：期间和期间内的变异系数、组内相关系数、测试间变异性和测试-再测试结果的变异性。
MAIN OUTCOME MEASURES: Intrasession and intersession coefficient of variation, intraclass correlation coefficient, intratest variability, and test-retest variability.
双拱的静力三分力系数、变异性以及受湍流度的影响等均与两拱间距宽度比及竖向相对位移有关。
Arch forces coefficients and fluctuating buffeting forces are mainly decided by the space width ratio and the relatively vertical displacement.
从变异系数和方差上来看，总体上2008年要小于2007年，但差距不是很明显，都属于中等变异性。
Looked from the coefficient of variation and the variance that as a whole in 2008 smaller than in 2007, but the disparity is not very obvious, all belong to medium variability.
结果表明：饱和导水率具有较大的空间变异性，变异系数达67%；
The result shows that the saturated hydraulic conductivity has great spatial variability with the various coefficient 67%, and the soil bulky density has lower variability.
结果表明：饱和导水率具有较大的空间变异性，变异系数达67%；
The result shows that the saturated hydraulic conductivity has great spatial variability with the various coefficient 67%, and the soil bulky density has lower variability.
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