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在郁闭林分中失叶量25％达到经济阈值。
On the contrary, the amount of defoliation of 25% reach the ElL.
youdao
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并将它们耦联在一起，形成了动态经济阈值模型。
Then the model of dynamic economic threshold was built.
youdao
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并将它们耦联在一起，形成了动态经济阈值模型。
Then the model of dynamic economic threshold was built.
youdao