楼上说(shuō )的很(hěn )多,我补充一(yī )下(xià ),正确的应该(gāi )叫网络蜘(zhī )蛛(zhū ),又称爬虫(chóng ),本质(zhì )是搜索引(yǐn )擎派出的(de )一个执行(háng )抓(zhuā )取任(rèn )务(wù )的程(chéng )序蜘(zhī )蛛池(chí )的本质是大量(liàng )的网站互(hù )相链接,每个站单独产(chǎn )生大量的内容(róng )吸引蜘(zhī )蛛(zhū )来爬,几(jǐ )千个(gè )网(wǎng )站互链时,可以想象(xiàng )蜘蛛的链(liàn )接
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