A soil engineering classification derived from the piezocone penetration test(CPTU) involves the uncertainty of correlation between soil composition and soil mechanical behavior.

采用孔压静力触探（CPTU）测试资料进行土的工程分类时，在土成分和力学性状等相关性方面会产生很多不确定性。

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And the test result shows that the approach mentioned above has a high reliable precision, and it reclaims a new way for classification and recognition of soil in arid land.

结果表明，该方法分类精度可靠，为干旱区土壤分类识别开辟了一条新的途径。

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