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Why Are So Many Computer Books Available as PDFs Rather Than EPUBs?
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为什么很多计算机书籍都是 PDF，而不是 EPUB？
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Ranking history & source details
First recorded Oct 25, 2026, 1:32 PM CST · latest Oct 25, 2026, 1:32 PM CST. Ranks reflect attention on each platform.
| Day | Platform | Best rank | Last rank |
|---|---|---|---|
| 2026-10-25 | Zhihu Hot List | #14 | #14 |