楼上(shàng )说的很多,我补充一(yī )下(xià ),正确的(de )应该叫(jiào )网络蜘(zhī )蛛(zhū ),又称(chēng )爬虫,本质是(shì )搜(sōu )索(suǒ )引擎派出(chū )的一(yī )个执行抓取(qǔ )任务的程序蜘蛛池的(de )本质是(shì )大量的网站(zhàn )互相链(liàn )接,每个(gè )站(zhàn )单独产生大量的内容吸引蜘蛛(zhū )来爬,几(jǐ )千(qiān )个(gè )网(wǎng )站(zhàn )互链时,可以想象蜘蛛(zhū )的链(liàn )接(jiē )
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