科学上网名称：冲鸭搜索
著名的搜索引擎。与谷歌不同之处在于：不依据用户的个人信息对搜索结果进行再次筛选。它关注用户隐私，并避免个性化搜索所带来的过滤气泡。特点是：对同一组关键词的用户提供一致的结果。
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