According to the partition of set and the definition of covering , this article which takes advantages of the admissible and repelling law and the set theories indicates the relationship of partition and equality , special - covering and admission and the accounting formula of partition numerals and special - covering numerals 本文根据集合的划分与覆盖的定义,利用容斥定理和集合理论,给出了有限集合上的划分与等价关系、完全覆盖与相容关系的关系,以及有限集合上的划分数和完全覆盖数的计算公式。
划分: divide; partition; repartiti ...数: frequently; repeatedly三角划分数: triangulation number肾分数,肾划分: renal fraction频率划分数据传输线路: frequency division data link划分: 1.(分成部分) divide; partition; repartition 划分势力范围 carve out spheres of influence; 划分行政区域 divide a country into administrative areas2.(区别) differentiate 划分敌友 differentiate between the enemy and the friendt分数: t score; t-score分数: 1.[数学] fraction; fractional number 带分数 mixed number; 繁分数 complex fraction; 假分数 improper fraction; 真分数 proper fraction2.(表示成绩等的数字) mark; grade; point 他在考试中得到好分数。 he attained a good mark in the examination. 他的三角学分数很低。 he received a low mark for trigonometry. 他的学期论文得了个不及格分数。 he received a falling grade on the term paper按……划分: grouped by分,划分: dividatur瓜分, 划分: carve sth up; carve up划分出: mark off; mark out划分的: dividing; divisiory划分栏: plot bar划分树: partition tree划分图: partition map划分为: abce; acd; bcd划分者: divider划分制: sharing system集划分: set partition库划分: library partition类划分: equivalence partitioning区划分: zone division图划分: graphic partitioning再划分: redividerepartition; repartition