物流：正如TNT所做的那样，最好的运输网络应同时考虑到成本和风险，并兼顾通向目标市场的多线路选择和偶然事件下的发货计划。

Logistics: Just like TNT, the best transportation networks are optimized for both cost and risk, and consider multiple routes to markets and contingency shipping plans.

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解决了单电源和多电源网络规划、线路交叉点及线路导线截面选择等问题。

Accordingly, such problems as single power source and multi-power resources network planning, path connection nodes and path wire section are resolved.

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