economic threshold中文，economic threshold的意思，economic threshold翻译及用法

2025-10-31 11:02 浏览次数 9

economic threshold

英[ˌɪkəˈnɔmik ˈθreʃhəuld]美[ˌɛkəˈnɑmɪk ˈθrɛʃˌold]

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

economic threshold 片语

片语

Economic traffic threshold经济交通量分界点

eco-economic period threshold生态经济防治阈期

Eco-economic threshold生态经济阈值

economic threshold et经济限界

Economic loss threshold有经济损失门槛

economic injury threshold经济损限

Time Economic Threshold时间经济阈值

economic control threshold防除阈值

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

economic threshold 例句

英汉例句

  • the yield loss by sheath blight (sb) to the hybrid rice and the economic threshold (et) were studied in the western sichuan during 1982-1985. the results showed that;

    1985年在川西地区探讨了杂交水稻纹枯病的产量损失及经济阈值。

  • the experiment was conducted to estimate the economic injury level (eil) and economic threshold (et) of b.

    研究了烟粉虱在黄瓜上的经济损害水平和经济阈值。

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

    本文还给出了各云南松林区可以用来根据自己的具体情况计算出适合自己的经济阈值的公式。

  • 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。

  • 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。

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