ppt (parts per thousand)

英 [ppt (parts per thousand)]
美 [ppt (parts per thousand)]

中文释义

千分之几

单词分析

单词结构：

ppt (parts per thousand)

字母数：24

记忆提示

🎯 重点记忆：

  • 单词拼写：ppt (parts per thousand)
  • 核心含义：千分之几

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更新时间：2026-04-13 00:15:15