23.下列四種燈具,依其演色性(colorrendition)指數由大至小依序為何? ①高壓納燈、②齒素燈泡、③日光燈白色系、④日光燈晝光系
(A)②④③①
(B)④③②①
(C)②①④③
(D)①③④②

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統計: A(9), B(3), C(2), D(2), E(0) #974452