科学上网名称：冲鸭搜索
一个著名的搜索引擎。与谷歌的不同之处在于：不会基于用户的个人信息对搜索结果进行二次过滤。其重视用户隐私，避免个性化搜索导致的过滤气泡。特点在于：对相同关键词的用户呈现一致的搜索结果。
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