1 lux = 1 lumen ̄m ̄2 ( 1m m ̄2 ) = 0.0929 foot - candles ( ft - c ) 1 ft ... cm 2. min 2 = 2 異種單位換算( 0.4 ~ 0.7 波長) ( 1 )太陽 10 lux 0.57 cal..cm 2.
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