其次考虑了有效界面散射随颗粒浓度的变化对巨磁阻造成的影响。
Secondly, the effective surface scattering is changed with the changes of concentration.
实验表明：分散气泡的大量形成及直径变化是决定气液有效界面积的主要因素。
Experiments show that the dispersed-bubble diameter determines the magnitude of effective interracial area.
在讨论证券投资者的无差异曲线和所面对的证券组合有效集(有效界面)的基础上，提出一种选择最佳证券组合的方法。
This paper discusses the security investor's indifference curve and it's efficient set of Portfolio. On the base, it gives out a method to select the best Portfolio.
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