1) rectilinear extension
纵横扩张
1.
Optimization of rectilinear extensions of 4-regular graphs;
4-正则图的纵横扩张优化
2.
The determination of minimum bends in a rectilinear extension of a graph has been solved with effective algorithm.
本文作者在这一理论的基础上,进一步研究了两个特殊的4_正则图类,得到了确定这两类图的最小折数纵横扩张的简便算法,并给出了这两类图的纵横扩张的最小折数。
3.
This article discusses mainly four kinds of 4-regular graphs,gives a minimum bend number rectilinear extension for such a graph with any order,and provides the relation between its order and the minimum bend number.
主要讨论了4类4-正则图的最小折数纵横扩张,对任意阶这样的的4-正则图都给出了它的一个最小折数纵横扩张,并给出了最小折数与阶数之间的关系。
2) base rectilinear extension
基纵横扩张
1.
In this paper , a generalized algorithm is provided to extend a 4regular graph to another 4regular graph through base rectilinear extension, through which the base rectilinear extension with the minimum total number of bends of the extended 4regular graph is naturally obtained from .
本文通过基纵横扩张,提供了从一个4-正则图扩充为另一个4-正则图的方式,使得从原图的最小折数基纵横扩张自然导出扩充图的最小折数基纵横扩张。
3) two dimensional stretch
纵横伸张
4) transverse spread and vertical pick
横扩纵采
5) transverse mining and longitudinal stripping
横采纵扩
1.
Study and application of transverse mining and longitudinal stripping
横采纵扩的开采方法是采矿工程发展的必然结果。
补充资料：极大扩张和极小扩张
极大扩张和极小扩张
maximal and minimal extensions
极大扩张和极小扩张匡.习的司出目.公油抽lex妇心.旧;MaKcl.Ma刀‘.oe H Mll.”M田.妇oe PaC山一Pe皿朋] 一个对称算子(s笋nr贺苗c opemtor)A的极大扩张和极小扩张分别是算子牙(A的闭包，(见闭算子(cfo“月。详mtor”)和A’(A的伴随，见伴随算子(呐。int opera.tor)).A的所有闭对称扩张都出现在它们之间.极大扩张和极小扩张相等等价于A的自伴性(见自伴算子(义休.adjoint operator))，并且是自伴扩张唯一性的必要和充分条件.A.H.J’Ior朋oB，B.c.lll户、MaR撰
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参考词条