例句與用法

1. Relation upstream downstream based dsm ( udbd ) is defined to avoid singleness of classical dsm and it reinforces the capability to describe activity relations ; iteration udbd is defined to describe multi iteration modes of activities ; overlapping udbd make it possible to describe activity overlapping with matrix
   定義了關系udbd (基于上下游關系的設計結構矩陣) ,避免了傳統(tǒng)dsm對活動關系描述的單一性,增強了對活動關系的描述能力;定義了迭代udbd ,解決了多種迭代模式的描述問題;定義了重疊udbd ,使利用矩陣描述活動重疊成為可能。