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单词 economic threshold
释义
economic threshold
  • 简明释义
  • 经济阈值
  • 网络释义
  • 1

    [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,

  • 2

    ?经济限界

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

  • 3

    ?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 ...

短语
  • 双语例句
  • 1
    Then the model of dynamic economic threshold was built.
    并将它们耦联在一起,形成了动态经济阈值模型。
  • 2
    Economic threshold for this pest insect was estimated by measuring the increasement rate of population density.
    并提出用害虫种群潜在密度确定卷叶螟经济阈值的方法。
  • 3
    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。
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更新时间:2025/1/10 5:46:14