When an assumptive cutting plane object , the cross section drawn, which is called a cut.

假想用剖切平面将机件的某处切断,仅画出剖切面与机件接触部分的图形称为断面图, 简称断面.

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

阐述割平面方法 、 整基方法 、 枚举和启发式方法和逼近算法.

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