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  1. Oxford Dictionary

    irradiance

    • IPA[ɪˈreɪdɪəns]

    英式

    • n.
      the flux of radiant energy per unit area (normal to the direction of flow of radiant energy through a medium).；the fact of shining brightly.

    • noun: irradiance

    • 更多解釋

    irradiance

    • IPA[iˈrādēəns]

    美式

    • n.
      the flux of radiant energy per unit area (normal to the direction of flow of radiant energy ...

    Oxford American Dictionary