Clustering analysis is a new, reasonable and effective method in soil study.
聚类分析方法是土壤研究中的一种合理有效的新方法。
Soil, Plant, Water And Fertilizer Analysis.
土地，植物，水源与肥料分析。
A simplified seismic analysis method of soft soil SSI system is studied in this paper.
研究了软基ssi体系简化地震响应分析方法。
They have had a chemical analysis of the soil.
他们对土壤进行了化学分析。
They have had a chemical analysis of the soil.
他们对土壤进行了化学分析。
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