求翻译：为验证本文所建的突变级数法评价模型能否真实反映多年冻土区块碎石路基适用状况，选取了28个样本对评价结果进行分析。为比较冻土内在因素、路基工程特点及外部气候条件对总体评价值的影响，将四个评价值变化趋势反映在一个坐标系中，如图2所示。是什么意思？

Catastrophe progression method evaluation model built in order to verify whether a true reflection of the permafrost blocks gravel roadbed applicable to the situation, to selected 28 samples to analyze the evaluation results. Compare permafrost internal factors, subgrade characteristics and external

In order to verify this by the number of mutations act evaluation model can reflect many years frozen block apply gravel roadbed has been selected, 28 of the samples for analysis of the results of the evaluation. For comparison, in the factor of frozen Roadbed construction features and external weat

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To validate this article building evaluation model of catastrophe progression method can truly reflect the chunk crushed the applicable conditions of permafrost, 28 samples are selected for evaluation analysis of the results. To compare characteristics of subgrade in permafrost underlying factors, e

Whether in order to confirm the sudden change progression law appraisal model which this article constructs really to reflect the many year frozen earth sub-area broken stone ballast suitable condition, selected 28 samples to carry on the analysis to the appraisal result.In order to compare the froz