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research and development cost
research and development cost
英
[research and development cost]
美
[research and development cost]
中文释义
[经] 研究和发展(开发)成本
单词分析
单词结构:
research and development cost
字母数:29
记忆提示
🎯 重点记忆:
单词拼写:research and development cost
核心含义:[经] 研究和发展(开发)成本
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更新时间:2026-01-31 18:56:58