formula cost system的意思|示意

Finally, we establish a cost formula about public traffic system, and bring forward a solution of shortest path of public traffic network.

建立了城市公共交通网络的阻抗函数，给出了公共交通网络最短路径的求解方法。

Based on the optimal control theory, this paper has established the scheduling model in the system network and the formula of computation of the nonlinear cost-time curve.

本文应用最优控制理论，建立了非线性成本曲线的系统网络优化模型及计算公式。