A single period production decision model with one manufacturer who produces two substitutable products is considered in this paper.
考虑一个单周期的生产决策模型，在该模型中有一个制造商生产两种可替代的产品。
In contrast, heterogeneous products differ significantly from each other and are not easily substitutable.
与此相反，异质产品之间存在显著的差距，是不容易互相替代的。
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