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。
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。
Short term forecast model of disease development and wood loss rate are built. Control guideline and economic threshold value are decided.
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