The positions of braiding carrier in track and column braiding are represented by a diagrammatic braiding plan and a corresponding lattice-array is defined.
在应用编织图表示纵横编织的基础上,定义了编织方格阵,然后将方格阵抽象为集合,使编织过程抽象为对集合中元素的置换。
The key points to the job, technical design, installation procedures and simulated operation involved in the task are detailed, thus introducing an installation technique for large-sized equipment, in which two cranes are simultaneously employed for the longitudinal and lateral movement of the equipment respectively.
文章从安装难点分析、技术设计、仿真演示、安装工艺等方面,详细介绍大型设备双机抬吊纵横滑移安装技术。
Field surveys of the shallow refraction and microlog for both P-wave and S-wave have been made simultaneously in a work area.
在一个工区同时开展了浅层纵横波折射、纵横波微测井的野外勘探，并取得较为丰富的野外资料以及处理和解释成果。
Optimization of rectilinear extensions of 4-regular graphs;
4-正则图的纵横扩张优化
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。
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。