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subindex

/.sʌb'indeks/

📖 中文释义

  1. n. 分指数
📘 English Definition（英文释义）
  1. n. A number or mark placed opposite the lower part of a
  2. letter or symbol to distinguish the symbol; thus, a0, b1, c2, xn, have
  3. 0, 1, 2, and n as subindices.
S 字母词表