决策者可以对价值树中的目标权重和方案结果进行区间估计，并通过线性规划方法把有关权重区间和方案结果的不完整信息处理为价值区间和控制关系。

The decision maker can enter interval judgements which indicate relative importance of the attributes and the possibly range valued information about the outcomes of the alternatives into value tree.

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组播组的聚合使得网络中组播树的数量减少，路由器需要维持的组播转发状态和传递控制信息带来的控制开销都大大降低。

With multicast tree aggregation, fewer trees are maintained which amounts to reduce both the number of forwarding states in routers and the overhead induced by control messages.

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USB设备树查看器的设计为您提供有关连接到计算机上的USB主机控制器和设备的快速访问信息。

USB device Tree Viewer is designed to provide you with fast access to information concerning the USB host controllers and devices connected to your computer.

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