利用依赖树模型和上向一下向算法，推测链路的时延分布。

A link delay distribution approach is proposed based on the dependence tree model and upward-downward algorithm.

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在该模型中，采用了一种新的与视点相依赖的动态误差度量准则，对四叉树地形模型的拼接缝消除算法进行了改进。

In this model, a new rule for evaluating view dependent dynamic error is adopted and the method of repairing the cracks intrinsically caused by quadtree data structure is also improved.

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语言模型；长距离依赖；依存句法树；最大熵策略！

Language model; Long distance dependency; dependency syntax tree; Max entropy method.

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语言模型；长距离依赖；依存句法树；最大熵策略！

Language model; Long distance dependency; dependency syntax tree; Max entropy method.

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