... chemical component of deposit 沉积物的化学组分 chemical component and structure 化学成分和结构 hydro-chemical component 水化学组分 ...
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本文对成都市区降水化学组分进行了因子分析。
Factor analysis was used for the data set of chemical components concentration of precipitation collected in Chengdu urban area.
根据资料对南宁市地下水化学场进行区域划分，并研究了化学类型、组分、含量的变化特征与规律。
The hydrogeochemical field of Nanning was classified. The character and changing rules of chemical classification, composition and content were discussed.
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