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【单选题】
黑度为0.8,表面温度为127°C的物体其吸收率是( )。A.
127
B.
27
C.
0.8
D.
0.2
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A.
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B.
invades
C.
intrudes
D.
infringes
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A.
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B.
N
C.
NG
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