line-transect

常见例句

• In this paper, we use several kinds of density estimate, carry on density estimate to line transect sampling of computer simulation.
  摘要用几种不同的密度推定法，对测线调查样本进行密度推定。
• Feasibility, validity and other problems of line transect survey method in shallow fresh water lake were also discussed.
  探讨了截线抽样法用于浅水型淡水湖泊调查的可行性和有效性以及要注意的问题。
• We produce distance data of the line transect to imitate with 5 density estimations, RRMSE and RB are used to appraise the estimate value and verify their quality.
  把5种密度推定法用于计算机模拟产生测线调查的距离数据，由统计量RRMSE和RB对推定值进行评价，来验证其优劣。
• The estimated population size of Equus kiang,Pantholops hodgsoni,Bos mutus and Procapra picticaudata was 8309,1603,985 and 214 individuals,respectively,estimated by the line transect sampling method.
  根据样线调查法计算,估计东部地区的藏野驴约8309只,藏羚羊1603只,野牦牛985只,藏原羚214只。
• Growth indices of artificial cultivated HedysarumMaxim. are studied by line transect methods, species diversity indices are calculated to study the sand-fixing effects of HedysarumMaxim.
  摘要采用样线法对人工种植羊柴进行研究，调查其生长状况，并通过研究其物种多样性来分析羊柴对流沙的固定效果。
• Growth indices of artificial cultivated HedysarumMaxim.are studied by line transect methods,species diversity indices are calculated to study the sand-fixing effects of HedysarumMaxim.
  采用样线法对人工种植羊柴进行研究,调查其生长状况,并通过研究其物种多样性来分析羊柴对流沙的固定效果。
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