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稳妥的做法就是(shì )所有(yǒu )页(yè )面检(jiǎn )测(cè )是(shì )否是二级(jí )域(yù )名访问(wèn ),如(rú )果是就做301跳转到(dào )主域名在(zài )就(jiù )是(shì )通过robots文件(jiàn )来解(jiě )决,具体使用(yòng )方法百(bǎi )度一下

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