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安裝中文字典英文字典辭典工具!
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- RefSeek - Academic Search Engine
Academic search engine for students and researchers Locates relevant academic search results from web pages, books, encyclopedias, and journals
- About | RefSeek. com
RefSeek is a web search engine for students and researchers that aims to make academic information easily accessible to everyone RefSeek searches more than five billion documents, including web pages, books, encyclopedias, journals, and newspapers
- RefSeek - Búsqueda Académica
Navegador académico para estudiantes e investigadores Encontrarás resultados de búsqueda académicos relevantes en las páginas web, libros, enciclopedias y revistas
- RefSeek - Document Search
Search the Web for Adobe PDF documents and presentations Also find Microsoft Word, PowerPoint, and Excel documents
- RefSeek - Reference Directory
Directory of the best reference sites in selected academic areas Includes almanacs, dictionaries, encyclopedias, newspapers, and more
- محرك البحث الأكاديمي - RefSeek
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- 30 Best Online Dictionaries and Thesauri - RefSeek
Dictionaries and Thesauri RefSeek's guide to the 30 best online dictionaries, thesauri, and definition aggregators Listings are judged by authority, coverage, usability, and utility
- Directory of the Best Online Encyclopedias - RefSeek
Directory of the Web's best encyclopedias, including Britannica, Columbia, Encyclopedia of Symbols, Reference com, and Wikipedia
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