楼上(shàng )说(shuō )的很(hěn )多,我(wǒ )补(bǔ )充一(yī )下(xià ),正确的应(yīng )该叫网(wǎng )络蜘蛛(zhū ),又称爬(pá )虫(chóng ),本(běn )质是搜(sōu )索引擎派出(chū )的一(yī )个执行抓取任务的程序蜘蛛池(chí )的本质是大量(liàng )的网站互相(xiàng )链接,每个站单独产生大(dà )量(liàng )的(de )内容吸引(yǐn )蜘蛛来(lái )爬,几千个(gè )网(wǎng )站互链时,可以想象(xiàng )蜘蛛(zhū )的链接(jiē )
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