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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

... 经济为害水平 economic injury level; EIL 经济限界 economic threshold; ET 生态变种反应 ecophene ...

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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 loss threshold 有经济损失门槛

Economic traffic threshold 经济交通量分界点

economic injury threshold 经济损限

economic control threshold 防除阈值

Eco-economic weeding threshold 生态经济除草阈值

eco-economic period threshold 生态经济防治阈期

economic threshold et 经济限界 ; 经济阈值

Time Economic Threshold 时间经济阈值

Eco-economic threshold 生态经济阈值

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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

  • 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: Wikipedia

双语例句权威例句

  • 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病害防治指标经济

    zuci.chaziwang.com

  • The paper also gives formulae for different Yunnan pine forest areas to calculate their own economic threshold according to their special situations.

    本文还给云南松林区可以用来根据自己具体情况计算出适合自己经济阈值的公式。

    dict.cnki.net

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