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单词 lambert's law
释义 lambert's law
noun
Usage: usually capitalized L
Etymology: after J. H. Lambert, its formulator
: either of two laws in physics:
 a. : cosine law
 b. : the negative logarithm of the transmittance of a layer of substance is proportional to the thickness of the layer, the constant of proportionality for natural logarithms being the absorption coefficient — called also Bouguer's law
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更新时间:2025/3/10 4:11:55