The great development in genomics makes it possible to unveil the genetic basis of threshold and quantitative traits at molecular level.

基因组研究的飞速发展，使人们从分子水平上了解阈性状和数量性状的遗传机理成为可能。

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The influences of threshold pressure gradient, vertical heterogeneity, subzone thickness and areal sand thickness distribution on development of low-permeability heterogeneous reservoirs are analyzed.

根据低渗透非均质油藏的特点，分析了启动压力梯度、纵向非均质性、小层厚度和平面砂体厚度展布对该类油藏开发的影响。

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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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