variance for stratif
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variance for stratified sampling
英
[variance for stratified sampling]
美
[variance for stratified sampling]
中文释义
分层抽样方差
单词分析
单词结构:
variance for stratified sampling
字母数:32
记忆提示
🎯 重点记忆:
- 单词拼写:variance for stratified sampling
- 核心含义:分层抽样方差
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更新时间:2026-08-31 03:17:20