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   farmland protection forest 在 环境科学与资源利用 分类中 的翻译结果: 查询用时:0.51秒
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farmland protection forest
相关语句
  农田防护林
    An objective and complete evaluation of the multiple benefits of farmland protection forest and analysis of the producing mechanism of these benefits are very useful for the construction and development of farmland protection forest.
    对防护林体系综合效益进行客观全面的评价,分析其产生效益的机理,将有助于促进区域农田防护林体系的建设和发展。
短句来源
    In this thesis the multiple benefits of the farmland protection forest in Jingtai electric-irrigated area are evaluated by using the principles and methods of economy, ecology and silvics.
    本文运用经济学、生态学、造林学等原理和方法,对景电灌区农田防护林体系综合效益进行评价分析,结果如下:
短句来源
    The main results are showed as following:1 According to the data investigated in stand sample plot, the prediction model of real stand growth of farmland protection forest in Jingtai electric-irrigated area was established. Then according to the prediction model of real stand growth, the growth process table and the mean money income table of all age classes were obtained and the cutting cycle was defined as 18 year.
    1.根据林分样地调查数据,建立景电灌区农田防护林现实林分生长量预估模型,计算得到林分生长过程表和各龄级平均货币收入表,研究得到该区农田防护林林分轮伐期为18年。
短句来源
    The total value on the economic benefits of farmland protection forest in this area is 28065666.1 Yuan/a obtained by adding up the values on the three benefits.
    以上三项合计,得到景电灌区农田防护林林分年平均经济效益为28065666.1元。
短句来源
    4 Regional ecological benefit of the farmland protection forest in Jingtai electric-irrigated area was studied, adopting the method of gray associate analysis. The gray associate degrees between forest cover percentage and climatic phenomenon factors of region climate including annual average air temperature, annual maxim air temperature, annual minimum air temperature, annual precipitation, annual average wind velocity and freeze-free season are 0.5781, 0.5691, 0.6095, 0.5671, 0.5739, 0.5647, 0.5680 respectively.
    4.采用灰色关联度分析方法,对景电灌区农田防护林体系的区域生态效益进行研究,结果表明:区域气候指标年均气温、年最高气温、年最低气温、年降水量、年均风速、无霜期等因素与区域森林覆被率的关联度分别为0.5781、0.5691、0.6095、0.5671、0.5739、0.5647、0.568。
短句来源
更多       
  农田防护林体系
    An objective and complete evaluation of the multiple benefits of farmland protection forest and analysis of the producing mechanism of these benefits are very useful for the construction and development of farmland protection forest.
    对防护林体系综合效益进行客观全面的评价,分析其产生效益的机理,将有助于促进区域农田防护林体系的建设和发展。
短句来源
    In this thesis the multiple benefits of the farmland protection forest in Jingtai electric-irrigated area are evaluated by using the principles and methods of economy, ecology and silvics.
    本文运用经济学、生态学、造林学等原理和方法,对景电灌区农田防护林体系综合效益进行评价分析,结果如下:
短句来源
    4 Regional ecological benefit of the farmland protection forest in Jingtai electric-irrigated area was studied, adopting the method of gray associate analysis. The gray associate degrees between forest cover percentage and climatic phenomenon factors of region climate including annual average air temperature, annual maxim air temperature, annual minimum air temperature, annual precipitation, annual average wind velocity and freeze-free season are 0.5781, 0.5691, 0.6095, 0.5671, 0.5739, 0.5647, 0.5680 respectively.
    4.采用灰色关联度分析方法,对景电灌区农田防护林体系的区域生态效益进行研究,结果表明:区域气候指标年均气温、年最高气温、年最低气温、年降水量、年均风速、无霜期等因素与区域森林覆被率的关联度分别为0.5781、0.5691、0.6095、0.5671、0.5739、0.5647、0.568。
短句来源
    The results showed that the effects of construction of farmland protection forest in Jingtai electric-irrigated area to the region climate of this area are not significant under the current size of farmland protection forest system.
    这说明景电灌区在目前的防护林体系建设规模下,农田防护林体系建设对区域气候的影响并不显著。
短句来源
  “farmland protection forest”译为未确定词的双语例句
    2 Agricultural production increased benefit is the most important part of ecological benefits of farmland protection forest in Jingtai electric-irrigated area.
    2.农业增产效益是防护林生态效益的重要组成部分。
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