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单词
neper
释义
WordReference Random House Unabridged Dictionary of American English © 2024
ne•per
(nē
′
pər, nā
′
-),
USA pronunciation
n.
[
Physics.
]
Physics
the unit used to express the ratio of two amplitudes as a natural logarithm: equal to 8.68 dB.
Abbr.:
Np Also,
napier.
1920–25; after J.
Neper;
see
Napier
Ne•per
(nā
′
pər),
USA pronunciation
n.
Biographical
John.
See
Napier, John.
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更新时间:2026/4/22 0:32:23