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  1. Oxford American Dictionary

    u

    • IPA[juː]

    美式

    • abbr
      denoting quantum states or wave functions which change sign on inversion through the origin.
    • symbol
      (in units of measurement) micro- (106)
    • 釋義

    abbr

    • 1. denoting quantum states or wave functions which change sign on inversion through the origin.

    symbol

    • 1. (in units of measurement) micro- (106) direct readout of concentration in ug or mg/l