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络技术的发展，使得全厂性的工业控制成为可能。如何选择一种合适的网络形式，成为自控设计人员的新课题。本文就此问题进行了一番探讨，提出了现有技术条件下的解决方案。
The development of network technology makes the whole factory industrial control possible. How to choose a suitable form of network has become a new topic of self-control designers. This article has carried on some discussion to this question, proposed the solution under the existing technical condition.