1.下列何者為濃度(Density)的公式:(R:透(反)射;T:透(反)射率)
(A) log T
(B) log 1/T
(C) log R
(D) log 1/R
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統計: A(12), B(66), C(5), D(345), E(0) #1535577
統計: A(12), B(66), C(5), D(345), E(0) #1535577