a.u.

(Tiếng Anh)

  1. (abbreviation, alt-of) Abbreviation of atomic units.
  2. (abbreviation, alt-of) Abbreviation of arbitrary units.
  3. (abbreviation, alt-of) Abbreviation of astronomical units.
  4. (abbreviation, alt-of) Abbreviation of absorbance units.

α.μ.

j.a.

ua

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