Relief, roughness and variance coefficient in elevation are main index in macro scale.
在宏观尺度上，以地形起伏度、地形粗糙度、地形高程变异系数为主。
The objective appraisal method of clustering analysis, variance coefficient, combined with comprehensive appraisal of distance is advanced in the paper.
提出将聚类法、变异系数法与距离综合评价法相结合的客观评价方法。
Distance between dots should be uniform in the field measurement. Sampling number should be estimated by certain believe level, estimate accuracy and variance coefficient.
田间测墒时，点与点之间的距离要均匀，取样数目可以根据一定的置信水平、估值精度、变异系数做估算。
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%.
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%。
The average short circuit transition time, short circuit transition variance coefficient and short circuit transition frequency are used to evaluate the technical property of high cellulose electrode.
提出用熔滴平均短路时间、短路时间变异系数以及短路过渡频率作为判据来定量评价高纤维素焊条的工艺性。
Variance coefficient method (CVm), reciprocal CVm and regularity coefficient method were used to study the regularity degree of agronomic traits.
研究农作物农艺性状整齐度指标的方法主要有变异系数法、变异系数的倒数法和整齐度系数法三大类。
Variance coefficient method (CVm), reciprocal CVm and regularity coefficient method were used to study the regularity degree of agronomic traits.
研究农作物农艺性状整齐度指标的方法主要有变异系数法、变异系数的倒数法和整齐度系数法三大类。
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