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operational research (or)
operational research (or)
英
[operational research (or)]
美
[operational research (or)]
中文释义
作业研究
单词分析
单词结构:
operational research (or)
字母数:25
记忆提示
🎯 重点记忆:
单词拼写:operational research (or)
核心含义:作业研究
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更新时间:2026-02-03 22:08:06