simple arc

A simple undirect graph X is said to vertex-transitive, edge-transitive, and arc-transitive, if its automorphism group acts transitively on the vertices, edges and arcs, respectively.

如果一个简单的无向图的自同构群分别传递的作用在它的点集，边集和弧集上，那么分别称这个图是点传递的，边传递的和弧传递的。

Those have bearing on the orientation of incident point and deviation of vertical controlling axis and make the setting line of plane column net in arc structure more simple and clear

它关系到投测点的定位和垂直控制轴线的偏差，使得弧形结构平面柱网的施工放线变得简单易行

Saint Joan of arc isn't simple person.

圣女贞德不是一个普通的人。

The welding machine itself have simple argon arc welding function.

本机自身具有简易氩弧焊的功能.

This paper introduces a simple method of curving angle steel arc.

介绍角铁弯制圆弧的简易方法.