primary sampling fra
查询英语单词中文释义、音标、发音和例句。
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:2026-08-29 00:35:19