论述了土壤中氡的析出机理，通过设计实验验证了土壤取样测氡的可行性。
It explains the the mechanism of the separation of soil's radon. Through the designed experiment, it confirms the feasibility of measuring radon for taking the soil's sample.
森林土壤取样的研究结果表明：基于设计的取样策略主要建立于传统的调查取样的基础上，需要多少样本，研究区应设定多大范围是设计考虑的主要内容。
Result of forest soil sampling indicates that: design-based approach is mainly based on the traditional investigation, the number of samples and study area are mostly considered by this approach.
使用英国石油公司提供的多点岩心取样器，科学家们得到了水下的土壤标本。
Using a BP-funded multicorer they got underwater soil samples.
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