extensive library

And text categorization as the technological foundation is used in such fields as information filtering, information retrieval, search engine, text database, digitized library etc. There are extensive application prospects, so it becomes the hot problem.

而文本分类作为信息过滤、信息检索、搜索引擎、文本数据库、数字化图书馆等领域的技术基础，有着广泛的应用前景，因此也就成为人们研究的热点问题。

Chrabotzky had left an extensive library.

克拉博兹基留下大量的藏书.

I take full advantage of the Internet and the rich resources of the library in the study, extensive learning, read the current theoretical publications, filtering out targeted, valuable information, has laid a solid foundation for the research in depth.

笔者在研究中充分利用互联网和图书馆的丰富资源，广泛学习、研读当前理论界的相关论著，筛选出针对性强、有价值的信息，为研究的深入开展奠定了坚实基础。

For scientific work an extensive special library and archives are accessible.

对科学工作来说一座广大的特别的图书馆和档案可达到.