对用户提出的需求进行正确分析和评估，在平衡费用和效益的原则下，提出合理的IT解决方案。
Make suitable analysis and evaluation on customers' demands, propose reasonable it solution plan under principle of balancing expense and profits.
分析了IP网络中的两种路由模型：用户平衡模型和系统最优模型。
The paper analyses two routing models in IP networks, i. e. , the user equilibrium model and the system optimal model.
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