科学上网名称：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：它不会根据用户的个人信息对搜索结果进行再次过滤。该搜索引擎重视用户隐私，旨在避免因个性化检索而产生的过滤气泡。其特点在于：对使用相同关键字的用户显示一致的结果。
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