国际优先级包裹的日平均数量增长了18%，主要来自亚洲的出口。
Average daily volume in International Priority packages grew 18 percent, led by exports from Asia.
按加权平均粗糙集的大小区分层内各特征信息的优先级，具有很强的容错能力。
According to the value of weighted mean roughness the priority of different characteristic information can be distinguished, so the proposed method possesses strong tolerant ability.
根据数据项平均长度或数量改变分配优先级，对不同方案进行性能分析。
It changes assignment priority by data items' average lengths or number of queues, and analyzes their performance.
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