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乔木层的英文

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"乔木层"怎么读用"乔木层"造句

英文翻译手机手机版

  • arborescent stratum
  • tree layer

例句与用法

  • There was no significant difference of diversity index between the tree layer and the shrub layer
    乔木层与灌木层之间多样性各项指标总体无显著差别。
  • Effects of selective cutting of different intensities on the tree layer structure and species diversity of evergreen broadleaved forest
    择伐作业对常绿阔叶林乔木层树种结构及物种多样性的影响
  • Effects of different intensities of artificial disturbance on tree layer of castanopsis carlesis forest using method of diversity measure
    多样性的测度方法探讨不同人为干扰强度对米槠林乔木层的影响
  • The vertical structure of each forest community were obvious and could be divided into tree layer , shrub layer , herbage layer and lianas
    各群落垂直结构十分明显,可分为乔木层、灌木层、草本层和层间植物。
  • The species diversity index of the tree layer was a bit low , and the general trend was shrub layer > treelayer > herb layer
    乔木层物种多样性指数偏低,垂直结构各层次间物种多样性大小依次为灌木层>乔木层>草本层。
  • The complicated vertical structure could be divided into tree layer , shrub layer and herb layer , as well as a definite number of interstratum plants
    群落垂直结构复杂,可分为乔木层、灌木层和草本层,并有一定数量的层间植物。
  • The species richness and diversity index of the tree layer and the shrub layer was obviously higher than that of the herb layer , and their evenness had evident difference
    乔木层、灌木层的物种丰富度、物种多样性指数均大于草本层,且差异极显著,群落均匀度差异显著。
  • A variety of methods including the tabular comparison of data , the tabular comparison of similarity coefficient , the nearest neighbor method and the group - average method of hierarchical agglomerative classification were applied to investigate the forest communities in meizi lake area
    森林植被样地中以乔木层树种的重要值为指标,采用纸条排队法、群落相似系数分类法、最近邻体法、组平均法对梅子湖森林植被样地进行数量分类。
  • Compared to non - tourist areas , in recreational areas , the number of plant species and coverage of vegetation in arbor layer and shrub layer decreased and the composition and community structure of vegetation trended to be simple . at the same time , regeneration of vegetation were suppressed
    景点活动区与背景区相比:乔木层、灌木层植物种数及盖度减少,群落组成及结构趋向简单化,更新受抑,草坪生物量、高度、盖度明显受到冲击。
  • The results is showed as following : ( 1 ) within the four typical configuration patterns of the green spaces in front of office buildings , the small arbor + shrub + ground layer pattern has the best ecological benefits , with the evaluation result of 0 . 6847 while shrub pattern has the worst ecological benefits , with the evaluation result of 0 . 5385 ; small arbor + small shrub + ground layer pattern has the best aesthetic benefits with the evaluation result of 0 . 9691 while the tall arbor pattern is the worst , with the result of 0 . 6893 ; shrub pattern has the lowest investment with the highest evaluation result of 1 . 000 while small arbor + small shrub + ground layer pattern has the highest investment of construction and maintenance with the lowest economic evolution result of 0 . 301 ; small arbor + small shrub + ground layer pattern has the best comprehensive benefit with the evaluation result of 0 . 7961 while tall arbor pattern has the worst comprehensive benefits with the result of 0 . 6698
    在配置模式上,以小乔+小灌+地被为佳。乔木层的盖度应控制在40左右,且选择树姿挺拔,树型高大的种类,灌木层盖度以30 40为宜,且姿态优美,观赏性强。 ( 2 )车间防护绿地的四种典型配置模式以大乔+灌木模式的生态效益最好,结果为0 . 8257 ,草坪的生态效益最差,结果为0 . 3265 ;美学效益以小乔+小灌木模式最好,结果为0 . 8448 ,草坪模式最差,结果为0 . 7304 ;经济投入以小乔+小灌最低,评价值最高,达到1 . 000 ,草坪模式最高,评价值最低,仅达到0 . 2310 ;综合效益以大乔+灌木最好,结果为0 . 8111 ,草坪最低,评价结果为0 . 5035 。
  • 更多例句:  1  2
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