After publication of the article [1] the authors have noticed that the funding information are not published in online and print version of the article. The omitted funding acknowledgement is given below.

中文翻译：

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更正：用于跟踪分布式计数、频率和等级的随机算法

文章发表后[1]，作者注意到该文章的网络版和印刷版均未发布资助信息。省略的资助确认如下。