2b) All the primal factors are described by several principalsynthetical factors , and interaction between factors is eliminated bydepression of dimension.
2b) All the primal factors are described by several principalsynthetical factors , and interaction between factors is eliminated bydepression of dimension.
多问几个“什么”,可使之具体化。“使问题的分析能够抓住核心和关键”,是什么“问题”?“问题”指的是所有因素。