operation study

英 [operation study]
美 [operation study]

中文释义

[经] 作业研究, 操作培训

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单词结构：

operation study

字母数：15

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  • 单词拼写：operation study
  • 核心含义：[经] 作业研究, 操作培训

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更新时间：2026-01-24 10:31:12