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primary sampling fraction
primary sampling fraction
英
[primary sampling fraction]
美
[primary sampling fraction]
中文释义
一级抽样比
单词分析
单词结构:
primary sampling fraction
字母数:25
记忆提示
🎯 重点记忆:
单词拼写:primary sampling fraction
核心含义:一级抽样比
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更新时间:2026-02-03 08:11:31