OC curve is helpful for us to choose a rational sampling scheme.
OC曲线可帮助人们选择合理的抽样方案。
Objective: To determine the reasonable thresholds of conditional sampling scheme.
目的：确定条件采样法的客观门限。
Among them, sampling scheme design is the key factor of effecting CFI data quality.
其中，抽样方案设计是影响森林资源调查数据质量的关键因素。
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