partially ordered短语⁸⁴³²⁰⁺⁸ 基本例句 偏序的 That can become decomposition partially ordered set into totally ordered subset by analyzing the characteristics of partially ordered relation construction on partially ordered set. 通过分析运用调机时区集合上的偏序结构特点，可以知道使用调机问题的实质是偏序集合的全序分解问题。 cnki