利用图论知识建立了钢管订购和运输的二部图模型，提出了去边法与方案的优化调整方法，得到了问题的最优解。
After the diagram model of order and transportation model of the steel pipe is built, change-edge and optimizing methods were introduced and an optimal solution was achieved.
实验结果表明，基于遗传算法的求解方案能快速地求出传感器节点位置优化问题的全局最优解，并满足目标定位的精度要求。
Experiment results show that the global optimal solution can be quickly obtained by the proposed method and the precision requirement for target location is satisfied.
该方法以优化理论为依据，以待评方案距理想最优方案的加权距离的平方为优化目标，建立了新的数学模型，并给出了精确解。
Using optimization theory a mathematics model which optimizes the distance square of project being evaluated and ideal optimization scheme is established.
经典的优化理论大多是在已知条件不变的基础上给出最优方案（即最优解），其最优性在条件发生变化时就会失去其最优性。
Most traditional optimization theories solve the problem on the basis that the known conditions are unchanged, which may lose their optimality in most cases with varying conditions.
基于用户调度机会公平性最优化问题模型，通过寻求次优解的方案提出一种用户公平性与时延保证链路调度算法。
One suboptimal user fairness and delay guarantee link scheduling algorithm is proposed based on the user fairness optimization problem model.
基于用户调度机会公平性最优化问题模型，通过寻求次优解的方案提出一种用户公平性与时延保证链路调度算法。
One suboptimal user fairness and delay guarantee link scheduling algorithm is proposed based on the user fairness optimization problem model.
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