The capacitated minimum spanning tree problem (CMST), one of the most fundamental problems in telecommunications and in the optimal design of networks, is studied.
研究流量约束最小生成树问题（CMST），它是通讯和网络优化设计中最为基础和重要的问题之一。
In this paper, the problems of the model reduction and the design of optimal output feedback matrix are discussed for linear stochastic discrete-time system.
本文研究了线性离散随机系统的模型降阶和最优输出反馈矩阵的设计问题。
As for the problems of optimal design on mechanical products, it is quite difficult to make a correct decision in the stage of scheme design due to too many involved factors.
对于机械产品优化设计问题，由于涉及因素较多，在方案设计阶段很难作出正确决策。
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