后洗净

Based on Stahl (1988), this paper extends symmetric model in duopoly in Spulber (2002), analyzes the asymmetric model of competition with both different inputs and outputs, and examines in detail the impact of differential parameter of supply and demand on competition.

本文以Stahl(1988)为基础，将斯普尔伯(2002)对称的双寡头垄断中间化对称模型进行扩展，分析了投入品与产出品都不同的非对称寡头竞争模型，并详细考察了供给、需求差异化参数对竞争的影响。

Visible light has mostly good attributes associated with it.

与可见光相关的多有良好的特性。