The result showed that double-slope cluster was more objective and reasonable and isoeffect number was simpler in calculation and had not reliability.
结果表明：倍斜率聚类法比较客观合理，而等效数值法计算简便而又不失可靠性。
The result showed that double-slope cluster was more objective and reasonable and isoeffect number was simpler in calculation and had not reliability.
结果表明：倍斜率聚类法比较客观合理，而等效数值法计算简便而又不失可靠性。
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