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research and development expenditures
research and development expenditures
英
[research and development expenditures]
美
[research and development expenditures]
中文释义
研究和开发支出
单词分析
单词结构:
research and development expenditures
字母数:37
记忆提示
🎯 重点记忆:
单词拼写:research and development expenditures
核心含义:研究和开发支出
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更新时间:2026-01-31 19:50:23