加密的控制网，可采用插网、线形网或插点等形式，各等级的插点宜采用坚强图形布设，一、二级小三角的布设，可采用线形锁，线形锁的布设，宜近于直伸。
通过采用以太网星形结构的网络连接方式，将分散控制系统由总线形网络拓朴结构改为星形网络拓扑结构。
Through using network connecting mode of ether star structure, the distribubuted control system has been changed from busbar network topologic structure into a star network topologic structure.
本文介绍线形、环形、星形和网孔形等四种常用的SDH网拓朴结构。
This paper presents four kinds of common SDH network topological structures, i. e. linear, ring, star and meshed.
线形锁是一种良好的平面控制测量加密网形式。
The Linear chain or triangles is a better formation of the plane contro1 of the triangulation.
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