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light second

n. the distance light travels in a vacuum in one second; approximately 300,000 kilometers

relative light unit per second相对冷光度单位

Second Light唱片名;投资

Second Light Industry Company二轻工业公司

Second Light Industry Corp二轻总公司

second harmonic light倍频光

second purple light第二紫色光

second harmonic light of CVL铜激光倍频光

SECOND SHAPED LIGHT WEIGHT CASE中级三角泡沫盒

n.the distance light travels in a vacuum in one second; approximately 300,000 kilometers

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