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economic threshold

  • 经济阈值

网络释义专业释义英英释义

  [经] 经济阈值

经济阈值economic threshold):指应该采取防治措施 时的发病数量,此时防治可防止发病数量超过经济损害水平,

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  经济限界

... 河口湾水 esturine water 经济限界 ET; economic threshold 发育阶段 etap ...

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  经济门坎

... 经济制度 Economic system 经济门坎 Economic threshold 经济变迁;经济转型 Economic Transition ...

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短语

Economic Threshold Value 经济阈值

economic threshold or 经济临界值

economic threshold et 经济限界 ; 经济阈值

economic threshold level 危害经济阈值 ; 防除阐值

Time Economic Threshold 时间经济阈值

rice economic threshold 防治指标

Mixed economic threshold 复合经济阈值

economic threshold model 经济阈值模型

economic threshold vector 经济阈值向量

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  • 经济阈值 - 引用次数:15

    Short term forecast model of disease development and wood loss rate are built. Control guideline and economic threshold value are decided.

    建立了病害发生的短期测报模型和材积损失率估测模型,确定了病害的防治指标和经济阈值

    参考来源 - 樟子松枯梢病侵染与流行规律的研究
  • 经济临界 - 引用次数:1

    参考来源 - 具有综合控制策略的离散宿主病原体模型 Discrete Host
    经济阈值
  • 经济阈值

·2,447,543篇论文数据,部分数据来源于NoteExpress

Economic threshold

  • abstract: In integrated pest management, the economic threshold is the density of a pest at which a control treatment will provide an economic return.

以上来源于: WordNet

双语例句权威例句

  • Then the model of dynamic economic threshold was built.

    它们耦联在一起,形成了动态经济模型

    dict.cnki.net

  • Economic threshold for this pest insect was estimated by measuring the increasement rate of population density.

    提出害虫种群潜在密度确定卷叶螟经济阈值方法

    dict.cnki.net

  • Short term forecast model of disease development and wood loss rate are built. Control guideline and economic threshold value are decided.

    建立病害发生短期测报模型材积损失率估测模型,确定了病害的防治指标经济

    zuci.chaziwang.com

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