科学上网名称：冲鸭搜索
一个知名的搜索引擎。与谷歌的不同之处在于：不根据用户的个人信息对搜索结果进行额外过滤。它重视用户隐私，并避免因个性化搜索而产生的过滤气泡。特点是：对同一组关键词的用户展示一致的结果。
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