与集中式搜索引擎相比，构建在P 2 P网络上的文本检索系统在可扩展性、数据更新、维护成本和安全性等方面具有与生俱来的优势。

Comparing to the centralized search engine, text retrieval systems built on top of P2P networks have innate superiority in scalability, data update, maintenance cost, safety, and so forth.

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目前，商用的音乐检索系统基本都仅限于文本检索技术为主，而信息的输入则以手工为主。

All of the existing music searching systems are primarily limited to the application of Text searching technology, while the input of information still mainly depends on handwork.

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