In the end of the paper we discuss the optimization of the tunnel control network and draw some beneficial conclusions.
并通过对控制网优化设计的讨论，引出了有益的结论。
When estimated by inherent standard deviations of GPS receivers, the accuracy of lateral piercing can also meet the needs of a horizontal tunnel control network.
采用GPS接收机标称精度进行估算，其结果也满足隧道控制网的要求。
Finally, through simulating many ventilation conditions, a new tunnel ventilation control method based on neural network model is developed, which can be used in the field tunnel ventilation project.
最后对在多种工况模拟的基础上，提出了一套能在现场应用的基于神经网络模型的隧道通风控制方法，并应用于实际的隧道通风工程中。
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