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斯忒藩-玻耳兹曼常数
tech. Stefan-Boltzmann's constant
斯忒藩-玻耳兹曼常数56.6961 X 10-9 瓦特 / 米2- K4
phys. Stefan-Boltzmann constant (σ)
斯忒藩-玻耳兹曼常 数
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Technology1