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IEC 60027-3 Ed. 2.0:1989 (b)
・電気用文字記号-第3部:対数の量及び単位
Letter symbols to be used in electrical technology. Part 3: Logarithmic quantities and units

規格概要
Applies to logarithmic quantities and units. Quantities that can be expressed as the logarithm of a dimensionless quantity, such as the ratio of two physical quantities of the same kind, can be regarded and treated in different ways. In many cases, differences do not affect practical treatment.
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TC 25
ICS 01.060
備考 邦訳版はEd.2.0です。エディション(Ed.)についての詳細は、こちらをご覧下さい。
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