With the deepening of electric power sector reform, the management system and assets management model of power telecom business have been changing quietly.

随着电力工业管理体制改革的深入进行，电力通信管理体制和资产管理模式也在悄然发生变化。

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Classifying the system constraints as basic constraints and variable constraints, a model of flexible multibody with changing topologies is developed.

将系统约束分为基本约束和条件约束，建立了变拓扑结构柔性多体动力学模型。

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By analyzing the competition and co operation relationship between the vehicles involved in the lane changing behavior, based on the multi agent system, a new lane changing model is presented.

通过分析车辆换道时车辆之间的竞争与合作关系，结合多智能体系统，提出一种新的换道模型。

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