道国发展门槛（ development threshold ） 的角度解释 在专利最优保护期限的研究方面， 诺德豪斯、了上述研究的分歧， 认为东道国只有具备一定的 谢勒认为专利最优的保护...
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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。
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。
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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