主理想整域 (principal ideal domain) 环 R 中的一个子集 I 称为 R 的理想 (ideal), 若其满足 1. I 对 R 中的加法成 Abel 群; 2.
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本文首先给出了确定分圆域的极大实子域的幂元整基的两种方法；
In this paper, I first give two methods with which we can determine all the power integral bases in maximal real subfields of cyclotomic fields.
在这一小区域里，氧气的消耗却是整株植物中最多的。更重要的是，我们在这发现了一种信号。
And in this small region you have the highest consumption of oxygen in the plants, and more important, you have these kinds of signals here.
“米尔顿，魔域私服，”她在信中给一个儿子写道，魔域私服，“你为我建的房子实在有点太大了，我只住一个房间，却需要打扫整所房子，魔域私服。”
"Milton," she wrote to one son, "the house you built is so huge. I live in only one room but I have to clean the whole house."
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