The relationship between quantity characteristic and the size of clone of Puccinellia Tenuiflora clone population at flowering stage sampled by unit area.
通过单位面积取样调查,定量地分析了开花期星星草无性系种群的数量特征及其与无性系大小之间的关系。
After that, based on the analysis of population changes in each geographical unit since 1990s, it demonstrates the characteristics of the regional restructuring and the mechanism of the region.
并通过1990年代以来地理单元的人口变化,分析了该地区区域重构的基本特征,最后简要阐释了其动力机制。
On the basis of inquiring into the functions and characteristics of sports population measurement indices, this study has applied the methods of experts' evaluation, unit statistics, etc.
在探讨体育人口测度指标功能和特征的基础上,运用专家评定、单元统计等方法筛选体育人口测度指标。
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