This paper explains the effects of externality, information asymmetry theory, demand hierarchy theory and different standard theory in forming the SPS measures and its possible solutions.
阐述了外部性理论、信息不对称理论、需求层次论和标准差异论对SPS措施形成的影响并提出可能的解决对策。
Even if only a single color also Angle to watch as the light and a different direction, flashing colorful magic-like effects, add a sense of hierarchy, rather Baroque style.
即使只使用单一颜色，也会随着观看角度与光线方向的不同，闪烁迷幻般的多彩效果，更添层次感，颇具巴洛克风情。
The effects of prior knowledge, and the hierarchy depth and type of hypertext on the search performances of Chinese information with a low structure level were examined.
探讨先前知识、超文本层次深度和类型对低结构化中文信息搜索的影响。
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