搜索结果: 1-1 共查到“农学 adaptive cluster sampling”相关记录1条 . 查询时间(0.046 秒)
Efficiency of adaptive cluster sampling and traditional sampling for coastal mangrove in Hainan of China
adaptive cluster sampling Horvitz-Thompson estimator Hansen-Hurwitz estimator simple random sampling systematic sampling
2015/4/14
Based on two species of Coastal Mangrove in Hainan of China, Sonneratia Apetala Buch-Ham and Sonneratia caseoli, we estimated the density of the two species to evaluate the efficiency of adaptive clus...