... 校验取样 verification sample 校验统计 verification statistics 春[的] vernal ...
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verification of statistics 统计检验
statistics verification 统计检验
statistics and verification 统计核查
·2,447,543篇论文数据，部分数据来源于NoteExpress
The agency denied it had stopped counting stun gun seizures altogether, claiming the statistics from 2009-2010 onwards were "in the verification process".
BBC: Stun gun firing
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