when calculating light pollution, which of the following should be included in t

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试卷: LEED v4 BD+C英文模拟题（B）[查看]
when calculating light pollution, which of the following should be included in the calculation of upward exposure?
A: Luminous flux emitted above horizontal plane of luminaire
B: Luminous flux emitted 90 ° below horizontal plane of luminaire
C: Glare from luminaires
D: A light source installed on a building with the backlight facing the building

参考答案: A