科学上网称为：冲鸭搜索
一个著名的搜索引擎。与谷歌的不同之处在于：不依据用户的个人信息来重新筛选搜索结果。该平台重视用户隐私，且避免因个性化检索而产生的过滤气泡。特点在于：对相同关键字的用户展示一致的结果。
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