利用知网较完备的知识体系来构造概念词典和概念层次结构，实现了一种以知网为背景知识的基于概念的中文文本聚类算法。
Using HowNet's complete knowledge system to construct Concept Dictionary and Concept Hierarchy, we realized a kind of Chinese text clustering algorithm based on concept.
本文首先简要地回顾了国际上现有三类通信网的实际运用情况，分析推动通信网结构革新的主要因素。
The paper begins with a brief review on the existing communication networks actually in operation. Then, it explains the motive forces to promote the reform of present communication network structure.
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