The minimum sampling area of a major plant community in Meiziya Region was studied by using methods of species area curves and community coefficient area curves.
用种面积曲线和群落系数面积曲线的方法对宜昌梅子垭地区一种主要植物群落类型的最小面积进行了研究。
Due to different capacity of dissociation groups in the soils, there was no obvious distribution characteristic of organically-bound heavy metals in the sampling area.
由于土壤样品的不同解离功能团结合重金属的能力不同，采样区的重金属有机质结合态未表现出明显的分布规律。
The detector design consists of design and select of optic parts of an apparatus, circuit design, sampling area control and antipollution device design.
探测器的设计有：光学器件的设计和选取、电路的设计、采样区大小控制装置和防污染装置的设计。
By comparing the difference between estimated number of species and the number of observed species, rationality of critical sampling area for different communities were validated.
同时，根据各海拔群落观测物种数与估计物种数的差异，进一步验证了最小取样面积的合理性。
By comparing the difference between estimated number of species and the number of observed species, rationality of critical sampling area for different communities were validated.
同时，根据各海拔群落观测物种数与估计物种数的差异，进一步验证了最小取样面积的合理性。
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