楼上说的很多,我补(bǔ )充一下,正确的应该叫网(wǎng )络蜘(zhī )蛛(zhū ),又称爬虫,本质是搜索引擎(qíng )派出(chū )的(de )一个执行(háng )抓取任(rèn )务(wù )的程(chéng )序(xù )蜘蛛(zhū )池(chí )的本质是大量的(de )网站互(hù )相链(liàn )接,每个(gè )站单独产(chǎn )生(shēng )大量(liàng )的内容吸(xī )引蜘蛛来爬,几(jǐ )千个网(wǎng )站互链(liàn )时,可以(yǐ )想象(xiàng )蜘蛛的(de )链(liàn )接(jiē )
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