科学上网名：冲鸭搜索
这是一个知名的搜索引擎。与谷歌的不同之处在于：它不基于用户的个人信息来进一步过滤搜索结果。该搜索引擎注重保护用户隐私，避免由于个性化检索造成的过滤气泡。其特点是对相同一组关键字的用户展示一致的结果。
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