迄今為止美國前3名的電子書搜索網站是：
www.pdfgeni.com
www.pdf-search-engine.com
www.data-sheet.net
這些網站主要為科技書籍，涵蓋從計算機科學，工程和數學編程和網路的發展...等等，內容豐富。 www.freecomputerbooks.com
www.freetechbooks.com
www.onlinecomputerbooks.com
I want to be a complete engineer - technical genius and sensitive humanist all in one!
Friday, November 7, 2008
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