3I

导航
2I
3H 3I 3J
4I
3I - I3

3I、3i或3-I可以指：

  • 化學式3I，表是3個碘原子
  • 3i：距離原點三個單位的純虛數、高斯整數
  • Iniziative Industriali Italiane
    • 3I Sky Arrow
  • 3i (公司)：總部位於倫敦的私募股權和創投公司

參見

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