Some of them have the capability of becoming white blood cells, or leukocytes, of which there are many different subsets.
一些能够成为白细胞,或称白血球,白细胞又分很多的亚类
As you have discovered in recent problem set, it is possible to construct all subsets of a set.
正如你在最近的问题集中发现的,构建集合的所有子集是可行的。
Some small subsets do but most of the cells in your brain don't proliferate and that's because they get trapped at one portion of the cell cycle.
除了很小一部分以外大部分脑细胞不增殖,这是因为,它们停滞于细胞周期的某个阶段
Both are sort of subsets of melody, if you will.
两种都属于旋律的范畴
They are both subsets of the "Dies irae."
它们是《末日经》的组成部分
On the other hand, we've seen n that if the size of a is n, that's to say, we have n elements to choose from, then the number of possible subsets is 2 to the n.
另一方面,我们看到,如果a集合的大小是,也就是说我们有n个元素可供选择,而可能的子集的元素,个数就是2的n次方。
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