阐述割平面方法、整基方法、枚举和启发式方法和逼近算法。

Develops cutting plane methods, integral basis methods, enumerative and heuristic methods and approximation algorithms.

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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.

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实际上，我是按照米开朗基罗的大卫像整的容。

Actually, I've modelled my looks on Michelangelo's 'David.'

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