economic benefit cost ratio

英 [economic benefit cost ratio]
美 [economic benefit cost ratio]

中文释义

经济效益费用比

单词分析

单词结构：

economic benefit cost ratio

字母数：27

记忆提示

🎯 重点记忆：

  • 单词拼写：economic benefit cost ratio
  • 核心含义：经济效益费用比

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更新时间：2026-04-13 20:34:11