采样密度因素模型是采样密度理论的基础，可以指导矿产地球化学调查采样密度和采样布局的制定。
As the foundation of the sampling density theory, the factor model of sampling density could guide the formulation of sampling density and sampling layout in geochemical mineral exploration.
地球化学环境同地理景观、气候条件等是决定名优特产分布及其品质的主要因素。
Geochemical environment, geographical landscape and climate conditions are major factors deciding the distribution and quality of famous and special local products.
分析表明元素地球化学方法在沉积物物源判别时，可有效的避免水动力因素影响，取得较好的效果。
Study also shows that element geochemical method is useful in provenance discrimination, because it can effectively avoid the influence of hydraulic sorting.
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