本文以平原区水耕土不同深度采样分析成果，研究了水耕土中元素的分布特征。
Based on the analysis result for the water mold samples of different depths in plain areas, this article studied the characteristics of element distribution in water mold.
针对采样间距的统一和深度匹配问题提出了自己的看法和建议。
Opinions and proposals on unifying sampling interval and depth matching are provided.
稀土元素的氧化物离子产率随入射功率和采样深度增加，载气流速减小而降低。
Oxide ion yield of the rare earth elements (REE) decreased with the increasing of RF power and the sampling depth, or with the decreasing of carrier gas flow rate.
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