| 1. | A subset s of a ring a is a subring of a . 环A的子集S叫作A的子环。 |
| 2. | The null subset corresponds to the term 1 . 空集则对应于常数项1。 |
| 3. | The subsets in a partition are called cells . 划分中的各子集被称为单元。 |
| 4. | V'is a nonempty subset of v . V是v的一个非空子集。 |
| 5. | This would enable the production of subset catalogues by subject . 这将使按主题编制子集合目录成为可能。 |
| 6. | a clique of a simple graph α is a subset s of ν. 简单图的一个团是指中的一个子集s。 |
| 7. | Each subset is determined by some occurrence of these three events . 每一个子集,由这三种事件出现的情况而决定。 |
| 8. | A cut of a tree is a subset of its nodes with the following two properties . 一颗树的切割是此树具有以下两个性质的节点子集。 |
| 9. | In certain case it might be necessary to further decompose a spiral into convex subsets . 在某些情况下,把一个螺旋形进一步分解成凸子集是必要的。 |
| 10. | This demonstrates that adding another element to the whole set doubles the number of subsets . 这说明在一个集中加入一个新元素,其子集的总数扩大一倍。 |