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。

youdao

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。

youdao

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。

youdao