1) directed line
有向线
2) wired directional control
有线控向
1.
Now the wired directional control system is often used in engineering for its more accurate controlling,which applies to big directiona.
有线控向系统控制精度高,适用于在大、中型定向钻机上进行深、长管道穿越。
3) line digraph
有向线图
1.
For a digraph D,the line digraph L(D) is the one whose vertex set is A(D) and the arcs set are the pairs {(xy,yz)},where xy∈A(D),yz∈A(D).
有向图D的有向线图是以A(D)为顶点集,弧集为{(xy,yz),xy∈A(D),yz∈A(D)}的有向图,用L(D)表示D的有向线图。
2.
In this paper,we show that the second isoperimetric connectivity of strongly connected line digraphs with \$δ≥\$ equals its connectivity.
证明了最小度大于等于2的强连通有向线图的第二等周点连通度等于它的点连通度。
4) oriented curves
有向曲线
5) Line digraph
线有向图
1.
By using the matrix representation of a digraph, some results about the index of convergence and period of a line digraph are obtained.
采用有向图的矩阵表示，得到了线有向图的幂敛指数和周期的有关结果。
6) directed line segment
有向线段
补充资料：有线电通信网(见有线电通信)
有线电通信网(见有线电通信)
wired communication networks
youxiandian tongXinwQng有线电通信网(wired communieation net-works)见有线电通信。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条