Though it is right when single product and same proportion of the factors, this proposition would face the paradox of "technological re-transform" when heterogeneity.
该命题在单一产品或同比例要素模型中无疑是正确的，然而一进入异质品模型就会面临“技术再转换”的悖论。
The product market heterogeneity and resource inimitability of software industry facilitate different software firms to form five strategic groups.
软件行业产品市场的异质性，营销和研发等资源的不可模仿性促使软件企业聚集形成不同战略群组。
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