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反射率

R=(n0-n1)^2/(n0+n1)^2
R=[n0-n1]^2/[n0-n1]^2
n1<0
R=[n0-(-n1)]^2/[n0+(-n1)]^2
R=[n0+n1]^2/[n0-n1]^2
R=[n0+n1]^2/[n0-n1]^2>1
R=(n0+n1)^2/(n0-n1)^2>1
R>1
(n0+n1)^2/(n0-n1)^2>1

R=(n0-n1)^2/(n0+n1)^2
R=[n0-n1]^2/[n0-n1]^2
n1=0
R=[n0-0]^2/[n0-0]^2
R=[n0]^2/[n0]^2

R=(n0-n1)^2/(n0+n1)^2
R=[n0-n1]^2/[n0+n1]^2
n1>0
R=[n0-(n1)]^2/[n0+(n1)]^2
R=[n0-n1]^2/[n0+n1]^2
R=(n0-n1)^2/(n0+n1)^2
R=(n0-n1)^2/(n0+n1)^2<1
R<1
(n0-n1)^2/(n0+n1)^2<1

R=(n0-n1)^2/(n0+n1)^2
R=[n0-n1]^2/[n0+n1]^2
R=[n0-n1]^2/[n0+n1]^2=1
R=(n0-n1)^2/(n0+n1)^2=1
R=1
[n0-n1]^2/[n0+n1]^2=1
(n0-n1)^2/(n0+n1)^2=1
(n0-n1)^2=(n0+n1)^2

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